3M Versaflo TR-6350N Formaldehyde/HE Cartridge — 5-Pack
$736.33
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EDITORIAL REVIEW — 3M Versaflo TR-6350N Formaldehyde/HE Cartridge — 5-Pack Assessed on the standards the product is actually certified to and on how the format fits a working shift, by Steven Eaton, WC Safety editor....
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EDITORIAL REVIEW — 3M Versaflo TR-6350N Formaldehyde/HE Cartridge — 5-Pack
Assessed on the standards the product is actually certified to and on how the format fits a working shift, by Steven Eaton, WC Safety editor.
The 3M Versaflo TR-6350N Formaldehyde/HE Cartridge is a 5-pack of replacement cartridges for the 3M Versaflo TR-600 and TR-800 PAPR systems — providing High Efficiency (HE) 99.97% minimum particulate filtration alongside specific chemical protection against formaldehyde in a single cartridge for workers in operations with documented formaldehyde exposure alongside airborne particulate hazards. Formaldehyde (HCHO) is a regulatory priority chemical with an OSHA PEL of 0.75 ppm (8-hour TWA) and action level of 0.5 ppm — present in healthcare embalming and tissue preservation, anatomy and pathology laboratories, formaldehyde-containing composite wood product manufacturing (urea-formaldehyde resins in MDF, particleboard, plywood), certain industrial coating and resin cure operations, textile finishing with formaldehyde-based wrinkle-resistant treatments, and some personal care product manufacturing. Standard organic vapor activated carbon provides some capacity for formaldehyde adsorption, but formaldehyde's reactivity and the performance requirements for OSHA-compliant formaldehyde cartridge service life make the TR-6350N's specific formaldehyde-rated sorbent the appropriate choice for operations where OSHA's formaldehyde standard (29 CFR 1910.1048) requires respiratory protection with cartridge change schedules based on formaldehyde service life data.
3M Versaflo TR-6350N Formaldehyde/HE Cartridge — Key Features
An air-purifying respirator filters air, it does not supply any. Under 29 CFR 1910.134 no air-purifying respirator may be worn in an atmosphere that is IDLH or oxygen-deficient (below 19.5% oxygen). Those conditions require a supplied-air respirator or an SCBA, and no filter or cartridge rating changes that.
- Formaldehyde protection — specific activated carbon for formaldehyde adsorption to OSHA action level and PEL requirements
- HE particulate filtration — 99.97% minimum efficiency for combined vapor and particulate environments
- Compatible with TR-600 and TR-800 PAPR systems
- 5-pack — cartridge replacement supply for formaldehyde-exposed PAPR programs
- OSHA 1910.1048 formaldehyde program support
Specifications
| Attribute | Detail |
|---|---|
| Model / SKU | TR-6350N |
| Brand | 3M Versaflo |
| Compatible Systems | TR-600, TR-800 PAPR series |
| Particulate Filtration | HE (High Efficiency, 99.97% minimum) |
| Chemical Protection | Formaldehyde |
| Quantity | 5/pack |
Formaldehyde PAPR Protection: Regulatory Context and Cartridge Selection
OSHA's formaldehyde standard (29 CFR 1910.1048) imposes specific respiratory protection requirements for workers exposed above the action level (0.5 ppm) and PEL (0.75 ppm), including cartridge change schedules and medical surveillance. PAPR systems with formaldehyde-rated cartridges provide an effective compliance option for formaldehyde operations because the powered flow rate eliminates breathing resistance for workers performing physically active operations in healthcare, laboratory, and manufacturing environments where formaldehyde exposures occur alongside sustained physical work. Healthcare pathologists and embalmers working with formaldehyde-fixed tissue, anatomy and pathology laboratory technicians, composite wood product production workers exposed to formaldehyde-containing resins during hot pressing and machining, and industrial resin applicators all fall within the regulatory scope of OSHA 1910.1048 at or above the action level. The TR-6350N provides the formaldehyde-specific cartridge protection that these operations require in the Versaflo PAPR format, alongside HE particulate filtration for dust and aerosol generated in the same operation.
Compliance and Certifications
- NIOSH — HE particulate filtration for NIOSH-approved 3M Versaflo TR-600/TR-800 PAPR
- OSHA 29 CFR 1910.1048 — formaldehyde standard; cartridge change schedule required when used in formaldehyde programs
- OSHA 29 CFR 1910.134 — respiratory protection standard; written program required for mandatory use
Real-World Benefits
Formaldehyde-specific cartridge meets OSHA 1910.1048 cartridge protection requirements for formaldehyde-exposed operations. Healthcare embalming, pathology, and composite wood product manufacturing operations with documented formaldehyde exposures above the OSHA action level receive the PAPR cartridge protection required by the formaldehyde standard.
Combined formaldehyde + HE protection addresses simultaneous particulate and vapor exposure in composite wood product and laboratory operations. Workers in formaldehyde-emitting manufacturing environments with both resin aerosol and formaldehyde vapor receive combined protection from a single cartridge replacement cycle without separate filter and vapor cartridge assemblies.
Applications and Use Cases
- Healthcare embalming and anatomy laboratory — TR-6350N for embalmers, pathologists, and anatomy laboratory workers with formaldehyde exposure from preserved tissue preparation and storage
- Composite wood product manufacturing — hot press and machining — formaldehyde/HE PAPR for production workers in MDF, particleboard, and plywood manufacturing where formaldehyde resin off-gassing occurs during pressing and cutting
- Industrial resin and coating operations with formaldehyde — PAPR formaldehyde protection for workers applying or processing formaldehyde-containing resins in industrial coating and laminate operations
Related Products
For multi-gas broad-spectrum protection, see 3M Versaflo TR-6590N Multi-Gas/HE Cartridge. For OV/Acid Gas/HE combination, see 3M Versaflo TR-6530N OV/Acid Gas/HE Cartridge — 5-Pack. Browse the complete Respiratory Protection collection.
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Written by Steven Eaton, WC Safety editor. WC Safety is an independent PPE review site, holds no inventory and sells nothing directly; Amazon links are affiliate links that earn a commission at no cost to you and never affect the assessment. This page is not medical, legal or regulatory advice.
For the surrounding context, see 3m 6001 vs 6003 cartridge, 3m 6003 vs honeywell north 7583p100l, 3m 60921 vs 60923 cartridge, 3m 60921 vs 60923 vs 60926 cartridge.
To see what else meets the same specification, start with 3m disposable respirators, 3m full face mask respirators.
Further reading that bears directly on this choice: 3m 60921 vs 60926 cartridge, 3m 60921 vs honeywell north 7581p100l, 3m 60923 vs 60926 cartridge, 3m 60926 vs honeywell north 75scp100l.
Neighbouring categories worth ruling in or out first: 3m half mask respirators, 3m respirator filters and cartridges.
Read our detailed 3M Versaflo TR-6350N Formaldehyde/HE Cartridge review — strengths, limitations, and the alternatives that matter.
Brand / Vendor
3M
Model / SKU
TR-6350N
Product Type
PAPR Cartridge
Price
$736.33 (Amazon)
Availability
Check current availability on Amazon
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Frequently Asked Questions
How do I determine the cartridge change schedule for the TR-6350N in formaldehyde programs?
OSHA 1910.1048 requires that cartridge change schedules be established by the employer based on objective information — either end-of-service-life indicators (if available), calculated service life from industrial hygiene data and sorbent capacity models, or a conservative precautionary schedule. 3M provides service life data and tools for estimating cartridge change schedules based on measured formaldehyde concentrations. Consult 3M's current technical documentation and your industrial hygienist for cartridge change schedule determination for your specific formaldehyde concentrations, work duration, and environmental conditions. Do not rely on odor detection alone as formaldehyde's odor threshold is above the OSHA action level in some workers. Related Products & Guides papr cartridges papr respirator filters how to choose a respirator cartridge 3M Versaflo TR-6710N High Efficiency PAPR
What protection factor can I plan on?
Ten. OSHA 1910.134 Table 1 assigns an APF of 10 to every filtering facepiece respirator regardless of whether it is rated 95, 99 or 100, so the maximum use concentration is ten times the exposure limit. If you need better than that, the answer is a different class of respirator, not a better disposable.
Does it protect against gases, vapours or solvents?
No. A particulate filter does nothing about gases or vapours. Those need a chemical cartridge on a half-mask or full-face facepiece, and a nuisance-level organic-vapour layer on a disposable is a comfort feature, not a rated filter.
What does an exhalation valve change, and what does it not?
A valve lowers breathing resistance and heat on exhale, which matters over a full shift. It does NOT raise the protection the wearer receives, and it provides no source control - a valved respirator vents the wearer's unfiltered breath, so where the point is to protect other people or a sterile field the unvalved version is the correct choice. Whether a given model has one is on its own listing.
Do I need a fit test before using it?
For occupational use, yes. 29 CFR 1910.134(f) requires a fit test before first use and at least annually after that, on the specific make, model and size that will be worn - a different size is a different respirator as far as the seal is concerned. Separately, Appendix B-1 requires a user seal check on every donning.
Does facial hair stop it working?
Yes. Hair crossing the sealing surface prevents a seal, and 1910.134 requires the seal area to be clean-shaven on any tight-fitting respirator. No strap tension compensates for it.
How long can one be worn before it is discarded?
Discard it when breathing resistance has risen noticeably, when the facepiece is soiled, damaged or deformed, when the straps have lost tension, or when a seal check can no longer be passed. Straps and the nose foam usually fail before the filter loads up.
Can it be washed or reused between shifts?
No. Washing destroys the filter media and the seal. A disposable filtering facepiece is discarded, not cleaned.
What is the difference between a respirator, a surgical N95 and a surgical mask?
A NIOSH-approved respirator is tested for filtration and fit and carries an assigned protection factor. A SURGICAL N95 is both NIOSH-approved and FDA-cleared for fluid resistance, so it does both jobs. A plain surgical or cloth mask is neither - no protection factor, no NIOSH approval. The approval is printed on the device; read it there rather than inferring it from the shape.
Can it be used in a confined space or an unknown atmosphere?
No. No air-purifying respirator may be used in an IDLH or oxygen-deficient atmosphere under 1910.134. Those conditions require supplied air or an SCBA, and no filter rating changes that.
How should it be stored between uses?
Clean, dry and uncrushed, away from contaminated air. A respirator stored loose in a toolbox or a pocket deforms, and a deformed facepiece will not pass a seal check even if the filter is untouched.
Where do the specifications on this page come from?
From the manufacturer's published designation for this model, from 42 CFR 84 for the filter class and from OSHA 29 CFR 1910.134 for the protection factor. WC Safety does not perform laboratory testing.