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Industrial Safety Equipment & PPE — ANSI/OSHA Compliant
Industrial Safety Equipment & PPE — ANSI/OSHA Compliant
May 14, 2026 Updated July 9, 2026 Steven Eaton

Moldex 2201N95 Review — Flat-Fold Small-Size Unvalved N95

WC Safety Editorial Verdict: 4.2/5

WC Safety Editorial Verdict — 4.2/5. The Moldex 2201N95 earns its score as a purpose-built Small-size, unvalved flat-fold N95: the collapsible shell is genuinely the right format for pocket carry and individual-envelope issuance, and the absence of an exhalation valve keeps it source-control eligible for clinical and food-handling settings. We dock points only because the Small facepiece and APF-10 ceiling narrow its audience — it is the correct pick for workers who fail a standard-size fit test, not a universal default, and never a substitute for a reusable half-mask where oil aerosols or gases are present.

If the Small geometry does not seal on your fit test, compare the standard-size options in our best n95 respirators 2026 roundup or browse the full disposable respirators range before specifying.

Moldex 2201N95 Flat-Fold Review: Small-Size Compact N95 for Pocket Carry and Individual Distribution Programs

Flat-fold respirators differ from cup respirators in one fundamental way: when not in use, they collapse to a near-flat profile that takes up a fraction of the storage volume of a rigid cup. For safety programs that distribute respirators individually — by envelope, vending machine, or personal carry — the flat-fold format is meaningfully more practical. A full-size rigid cup N95 requires a protective bag or container to prevent deformation in a pocket or bag. A flat-fold like the 2201N95 survives pocket carry without compromising its shape, because the cup geometry is formed by the wearer when the respirator is donned: the wearer pulls the two halves of the flat-fold apart to open the cup to its working geometry, then positions it on the face.

The 2201N95 adds the Small facepiece dimension to this format. Small-size respirators are not a comfort preference — they exist because some workers' facial dimensions produce a poor or failed fit test on standard-size models. OSHA 29 CFR 1910.134 requires fit testing with the specific model and size the employee will use, and size selection must emerge from that testing process, not from self-assessment or visual comparison.

AT A GLANCE

NIOSH Rating N95 — ≥95% non-oil particulate
APF 10 (tight-fitting half-mask)
Max Use Concentration 10× PEL
Exhalation Valve None — source-control eligible
Shell Design Flat-fold — collapses for compact storage
Headband Standard dual elastic straps
Size Small
Pack Quantity 20 per box
Oil Class N — not for oil aerosols

Flat-Fold Design: Storage, Distribution, and Donning

The flat-fold geometry uses a central vertical fold to allow the two halves of the facepiece to lie flat against each other for storage. The filter media, nosepiece foam, and headband are all integrated into this flat format. To don: (1) Open the fold by grasping the top and bottom edges and pulling apart. (2) Position the lower cup portion below the chin. (3) Pull the upper strap over the crown, lower strap behind the occipital ridge. (4) Mold the nosepiece with two fingers along the nose bridge. (5) Perform the user seal check per OSHA Appendix B-1.

The flat-fold profile does not store well when partially worn — unlike a rigid cup that can be hung around the neck between tasks, a flat-fold that has been opened loses its flat storage geometry and should be stored in a clean bag or discarded if the work session is interrupted. This is a meaningful consideration for programs where workers move between tasks requiring and not requiring respiratory protection.

For programs requiring pocket carry and individual issuance, the flat-fold is a strong format choice. For programs where cup geometry and around-the-neck temporary storage is important, a rigid cup model like the standard-size Moldex 2200N95 or the HandyStrap 2700N95 may be more practical. See the full disposable respirators collection for all available formats.

Small Size Selection: Fit Testing Protocol

The Small designation on the 2201N95 refers to the facepiece geometry — shorter face length, narrower width, or reduced seal perimeter length compared to the standard size. Workers who fail a quantitative fit test on a standard N95 with a fit factor below 100 (OSHA's minimum acceptable fit factor for tight-fitting respirators) may pass on a small-size facepiece. The selection process must go in order: (1) administer the fit test with the most likely model and size based on worker demographics; (2) if failed, try other sizes and models within the same class; (3) select the model and size that achieves passing fit factor; (4) document and issue the passing model and size.

Self-selection by workers who believe they have a "small face" does not satisfy OSHA requirements. The fit factor on a given model and size can be unpredictable — some workers with objectively smaller faces pass standard-size models, and some with average faces fail standard sizes but pass small or alternate models. Quantitative fit testing is the only reliable method.

For the Small-size Low Profile HandyStrap cup respirator (non-flat-fold), see the Moldex 2601N95 HandyStrap. For the standard-size flat-fold with the same feature set (unvalved, dual strap), the 2200N95 is the appropriate model.

Source Control Eligibility

The 2201N95 has no exhalation valve. All exhaled air passes through the N95 filter media before exiting the respirator. This makes it source-control eligible — exhaled aerosols are filtered before being released into the environment. Healthcare facilities, laboratories, and food production settings that require containment of the wearer's exhaled particles can specify the 2201N95 where source control is a requirement alongside particulate protection.

Source control eligibility does not mean the respirator is cleared by FDA as a surgical mask. The 2201N95 is NIOSH N95 approved. For dual NIOSH N95 + FDA surgical mask (surgical N95) clearance, a specific surgical N95 model must be selected. The 2201N95 is an industrial/occupational N95 unless Moldex has pursued dual clearance for this specific model.

20-Count Box and Program Stocking

The 2201N95 is packaged 20 per box, compared to the more common 10-per-box packaging for many N95 cup respirators. The 20-count quantity combined with the flat storage format means a given shelf footprint holds more respirators — useful in high-volume programs or where storage space is limited. Individual envelopes or resealable bags for daily issuance are compatible with the flat-fold format and are a common individual distribution method in healthcare and food processing environments.

For program procurement and bulk pricing, see our disposable respirators page and compare with Amazon bulk options Check Price on Amazon →. For reusable respirator programs that reduce per-use cost, see half-face respirators and replacement cartridges.

Moldex Small-Size N95 Platform Comparison

Model Size Shell Strap Valve Source Control
2201N95 Small Flat-fold Dual None Yes
2601N95 Small Low Profile cup HandyStrap None Yes
4701N100 Small AirWave dome SmartStrap Ventex No
2200N95 Standard Flat-fold Dual None Yes
2700N95 Standard Standard cup HandyStrap None Yes

OSHA Compliance and Written Program Requirements

Under OSHA 29 CFR 1910.134, tight-fitting filtering facepiece respirators in required-use programs need: (1) written program administered by a trained program administrator; (2) exposure assessment to identify the hazard and concentration; (3) medical evaluation (Appendix C questionnaire minimum) before initial fit testing; (4) fit testing with the specific model and size; (5) training on proper use, donning, doffing, seal check, storage, and discard; (6) annual program review. The 2201N95's APF of 10 limits use to hazards at or below 10× PEL.

For employees who also need hearing protection and eye protection in the same environment, see our earplugs, earmuffs, and safety glasses collections. Also see our NIOSH standards guide and our guide on dust masks vs. respirators.

Frequently Asked Questions

Q: What is the difference between the Moldex 2201N95 and the 2200N95?

A: Facepiece size only. The 2201N95 is Small size; the 2200N95 is standard size. Both are flat-fold, dual-strap, unvalved, N95 models. Size must be determined by fit testing.

Q: What is the difference between a flat-fold and a cup N95?

A: A cup N95 maintains a rigid domed shape at all times. A flat-fold N95 stores flat and is opened to its working cup geometry when donned. Flat-folds store in less space and are easier to pocket-carry; cup respirators can be stored around the neck between tasks without losing their geometry.

Q: Is the 2201N95 source-control eligible?

A: Yes. No exhalation valve means all exhaled air passes through the N95 filter, making it appropriate for settings requiring source control of the wearer's exhaled aerosols.

Q: How do I determine if Small size is right for a worker?

A: Through fit testing only. Conduct a quantitative fit test with both standard and small-size models and select the one that achieves a passing fit factor (≥100 for N95 class). Self-assessment is not an acceptable substitute.

Q: Can the 2201N95 be used in healthcare?

A: Yes, in clinical environments where N95 particulate filtration with source control is required. Verify whether your facility's infection control protocol requires a surgical N95 (dual NIOSH + FDA clearance) vs. an industrial N95 — requirements vary by setting and regulatory framework.

Q: How is the flat-fold 2201N95 donned correctly?

A: Grasp top and bottom of the flat respirator and pull apart to open the cup. Position chin in the lower cup. Pull upper strap over the crown, lower strap behind the occipital ridge. Mold the nosepiece with two fingers (not one). Perform OSHA Appendix B-1 seal check.

Q: How many respirators are in a box of Moldex 2201N95?

A: 20 per box. The flat-fold format allows 20-count packaging at comparable box dimensions to 10-count rigid cup packaging.

Q: What is the APF of the 2201N95?

A: APF 10. All tight-fitting filtering facepiece half-masks share APF 10 per OSHA 29 CFR 1910.134 Table 1. Maximum use concentration is 10× PEL of the identified hazard.

Q: Is the 2201N95 appropriate for N95 fit testing programs?

A: It can be one of the models tested. If a worker's fit test on the 2201N95 achieves a passing fit factor, it is the correct model for that worker. Include it in multi-model fit test kits for programs serving workers with smaller facial dimensions.

Q: Can I store the 2201N95 in my pocket after donning it once?

A: After the flat-fold has been opened for use, it no longer stores flat. Store a used respirator in a clean breathable paper bag — not a sealed plastic bag — between uses within the same shift if the program allows limited reuse. Discard according to written program discard criteria.

Q: Does NIOSH approve the 2201N95 separately from the 2200N95?

A: Yes. Each model and size receives a distinct NIOSH TC approval number. Verify current approval status at the NIOSH Certified Equipment List for both models if specifying either in a written program.

Q: Is the 2201N95 appropriate for wildfires or smoke?

A: N95 filtration is effective against fine wildfire smoke particles. A properly fitted, NIOSH-approved N95 worn correctly provides meaningful protection during wildfire smoke events. The Small size may be the correct choice for workers who fail standard-size fit tests in fire event response programs.

Q: Where can I buy the Moldex 2201N95?

A: Available at WC Safety's disposable respirators collection and on Check Price on Amazon →.

Q: What is the shelf life of the 2201N95?

A: Moldex publishes a 5-year shelf life from manufacture date for stored uncontaminated respirators in original packaging, kept away from UV light, chemical vapors, high humidity, and temperature extremes.

Q: Does the flat-fold design affect filtration performance?

A: No. NIOSH certifies N95 filtration efficiency (≥95%) regardless of shell design. The flat-fold format stores differently but delivers the same filter efficiency as a rigid cup once properly donned and sealed to the face.

Fit & Sizing Resources

Pros & Cons

Pros
  • Flat-fold shell collapses near-flat for pocket carry and individual-envelope distribution — survives a pocket without a protective case
  • Small facepiece geometry can pass a fit test for narrower faces that fail standard-size N95 models
  • Unvalved design filters exhaled air, keeping it source-control eligible for healthcare, lab, and food-handling settings
  • 20-count box gives more units per shelf footprint than typical 10-count cup packaging, easing program stocking
  • NIOSH N95 (>=95% non-oil particulate) with the standard APF 10 for a tight-fitting half-mask — same filter efficiency as a rigid cup
Cons
  • Small size suits only a subset of faces — most workers will need the standard 2200N95, confirmed by fit test
  • Once opened for use it no longer stores flat, so around-the-neck or pocket re-stow between tasks is impractical
  • N-class media is not oil-resistant — unsuitable where oil aerosols or mists are present (needs R or P)
  • Unvalved flat-fold can feel warmer and slightly harder to breathe through than a valved cup during heavy exertion
  • APF 10 caps use at 10x the PEL; higher exposures require a reusable half- or full-face respirator

Who It's For

Buy it if:

  • Safety programs that issue respirators individually by envelope, vending, or personal carry and need a flat-storing format
  • Workers with narrower or shorter faces who failed a quantitative fit test on a standard-size N95
  • Healthcare, laboratory, and food-production settings that require source control alongside N95 particulate filtration
  • Buyers stocking high-volume programs who value the space-saving 20-count flat-fold packaging

Look elsewhere if:

  • Workers with average or larger faces who already pass a standard-size N95 fit test
  • Anyone exposed to oil-based aerosols, mists, gases, or vapors — N-class particulate-only media does not apply
  • Operations needing protection above 10x the PEL, which exceeds an N95's APF 10 ceiling
  • Bearded workers or anyone who cannot maintain a clean-shaven seal at the respirator's sealing surface

Related Resources

Frequently Asked Questions

How does the Moldex 2201N95 compare to the Honeywell North 7506N95 for the same job?

They serve different niches. The 2201N95 is a single-use Small-size flat-fold filtering facepiece — disposable, no maintenance, ideal for individual issuance. The 7506N95 is a reusable elastomeric half-mask with replaceable N95 filters, which lowers per-use cost over time but adds cleaning and storage overhead. Choose the 2201N95 for low-frequency or distributed use and the reusable platform for daily, high-volume wearers. See the Honeywell North 7506N95 review for the reusable comparison.

Is the 2201N95 a good value compared with buying a standard-size N95 in bulk?

For the workers it fits, yes — the 20-count flat-fold box stores more units per shelf inch than typical 10-count cup packaging, which trims storage and handling cost in a large program. But it is only good value if the Small size actually passes those workers' fit tests; buying Small for a general workforce that mostly passes standard size wastes inventory. Match size to fit-test results before committing to bulk.

Which Moldex flat-fold should I pick if my workers span small and standard faces?

Stock both the Small 2201N95 and the standard 2200N95 and let the fit test assign each worker. They share the same flat-fold, dual-strap, unvalved, N95 design, so training and donning are identical across sizes — only the facepiece geometry differs. A two-size flat-fold lineup covers most face profiles without introducing a different shell type.

How does the 2201N95 stack up against the Moldex 2601N95 HandyStrap in Small size?

Both are Small N95s, but the shell and strap differ. The 2201N95 is a flat-fold with standard dual elastic straps that stores flat for distribution. The 2601N95 is a Low Profile cup with the adjustable HandyStrap that lets a wearer drop the mask around the neck between tasks. Pick the 2201N95 for storage and issuance efficiency, the 2601N95 for intermittent wear. See the Moldex 2601N95 review for the cup-format comparison.

Is the flat-fold comfortable enough for a full shift?

For light-to-moderate work, most wearers tolerate the 2201N95 well because the opened cup creates breathing room in front of the mouth. Because it is unvalved, expect more warmth and humidity buildup during heavy exertion than a valved model would produce. For sustained high-output tasks, plan rest breaks or consider a valved option where source control is not required.

Will the 2201N95 fog my safety glasses?

Any unvalved respirator can route some exhaled air upward if the nosepiece is not molded tightly. Press the nosefoam down with two fingers along both sides of the nose bridge and run the OSHA seal check — a good seal directs most airflow through the filter rather than up toward the eyes. Pairing it with anti-fog lenses from our safety-glasses range further reduces fogging during eye-and-respiratory tasks.

Is an N95 like the 2201N95 enough for construction silica and wood dust?

N95 media captures at least 95% of non-oil particulates, which covers most respirable construction dusts including silica and wood dust at exposures up to 10x the PEL. The decisive factor is fit, not the model — a passing fit test plus a clean-shaven seal is what delivers the rated protection. Above 10x the PEL or where oil-based cutting mists are present, step up to a reusable half-mask.

How does the 2201N95 compare to an R95 or P95 disposable for value and versatility?

An N95 is cheaper and adequate wherever no oil aerosol is present. An R95 (oil-resistant up to 8 hours) or P95 (oil-proof) costs more but covers environments with oil mists, so it is the more versatile single SKU for mixed shops. If your tasks never involve oil, the 2201N95's N-class media is the better value; if they sometimes do, an R- or P-class respirator avoids stocking two types. The Moldex 2740R95 review covers an oil-resistant alternative.

Does the 2201N95 work as a fit-test kit model for smaller-faced workers?

Yes — it is a sensible inclusion in a multi-model quantitative fit-test kit precisely because it offers a Small geometry that some standard-size failures will pass. Add it alongside standard and alternate-brand models so the test can find a passing fit factor (>=100 for N95) for each worker rather than forcing a single size on everyone.

Is the 2201N95 suitable for wildfire smoke at home versus on the job?

A correctly fitted, NIOSH-approved N95 like the 2201N95 meaningfully reduces inhalation of fine wildfire smoke particles in both settings. The caveat for home users is fit: without a workplace fit test, choose the size that seals best and pass the user seal check each time. Workers who failed standard-size fit tests in a response program are exactly who the Small size is meant for.

How does the 2201N95 compare to a higher-efficiency N99 or N100 for the same hazard?

All three filter non-oil particulates; the difference is the percentage captured (95% vs 99% vs 99.97%) and breathing resistance, which rises with efficiency. For most occupational dust at or below 10x the PEL, N95 is the cost-effective and easier-breathing choice. Reserve N99/N100 for hazards or program policies that justify the higher filtration and slightly harder breathing. See the Moldex 2310N99 review and Moldex 4600N95 review to compare classes.

Should I choose the 2201N95 or a reusable half-mask for a daily wearer?

For someone wearing a respirator every shift, a reusable half-mask usually wins on lifetime cost and waste even though it costs more upfront, because filters are replaced rather than the whole unit. The 2201N95 is better for occasional, distributed, or visitor use where issuing a fresh disposable is simpler than cleaning a reusable. Browse our half-face respirators and replacement cartridges to weigh the reusable path.

Is the unvalved 2201N95 the right call when both worker and source protection matter?

Yes — that is its strongest use case. Because every exhalation passes through the filter, the 2201N95 protects the wearer and limits the wearer's exhaled aerosols, which is what source-control settings such as clinics, labs, and food production require. A valved respirator would protect the wearer but vent unfiltered exhaled air, disqualifying it where source control is specified.

How do I know the 2201N95 I'm buying meets the standard I think it does?

Confirm it is NIOSH-approved and that the markings match the certification before relying on it — counterfeits of popular N95s exist. Our guide on how to tell if an n95 is niosh approved walks through the markings and the Certified Equipment List check so you can verify the specific model and approval number.

When does it make more sense to skip the 2201N95 and choose a standard-size flat-fold instead?

Skip the Small whenever a worker already passes a standard-size N95 fit test — sizing down then only risks a looser or less comfortable seal. The 2201N95 is a targeted answer to standard-size fit failures, not an upgrade. If most of your workforce passes standard, default to the 2200N95 and keep the 2201N95 on hand for the narrower-faced exceptions found during fit testing.

Why trust WC Safety
Industrial PPE specialists. We do not accept manufacturer payment for placement.
Reviewed by
Steven Eaton, WC Safety Editorial Team — guidance reflects current OSHA, NIOSH and ANSI practice.
Our standards
Ratings combine published specs, hands-on familiarity, and verified customer data where available; we do not fabricate lab tests.
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Filed in: disposable-respirator, flat-fold, moldex, n95, small, unvalved
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