Gerson 1745 N95 Respirator with OV-AG Nuisance Relief – Organic Vapor and Acid Gas, Made in USA (Box of 10)

Gerson 1745 N95 Respirator — Nuisance OV + AG Relief, Box of 10 — NIOSH-Approved N95 Disposable Respirator

Gerson 1745 N95 Respirator — Nuisance OV + AG Relief, Box of 10 is Gerson's nuisance-relief N95 — combining N95 particulate filtration with both organic vapor (OV) and acid gas (AG) nuisance relief layers for environments where there is a dust hazard alongside light OV or AG odors, such as painting, automotive body work, or light chemical handling operations.

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The Gerson 1745 N95 Respirator — Nuisance OV + AG Relief, Box of 10 is a NIOSH-approved N95 filtering facepiece respirator from Gerson, listed on the NIOSH Certified Equipment List. Read the complete disposable respirator guide to compare NIOSH filter classes before ordering.

Key Features — 1745

• NIOSH N95 approval plus nuisance OV and AG relief layers — dual nuisance coverage
• OV relief layer addresses light organic vapor odor discomfort
• AG relief layer addresses light acid gas (chlorine, hydrogen sulfide) odor discomfort
• Neither OV nor AG layer provides IDLH vapor protection — odor comfort only
• Cup design with dual elastic headbands and adjustable nose clip for fit stability

Specifications

Typical Applications

• Environments with dust + light OV and AG odors; browse nuisance-relief respirators
• Automotive body work with sanding dust + light solvent and primer odors
• Light chemical handling with dust; see all N95 respirators
• Read scope limits in our disposable respirator guide — nuisance ≠ IDLH protection

Hazard Coverage — Gerson 1745 N95 Respirator — Nuisance OV + AG Relief, Box of 10

The Gerson 1745 N95 Respirator — Nuisance OV + AG Relief, Box of 10 is NIOSH-approved under 42 CFR 84 Subpart K for non-oil-based particulates at ≥95% efficiency. Approved hazards include construction and masonry dust, pollen, mold spores, smoke particulates, grain and wood dust, and certain biological aerosols. The 1745 is NOT rated for oil-based particles — spray paint mist, cutting fluid aerosols, and lubricant mist degrade N-class electret media faster than rated. For oil environments choose an R95 (oil-resistant, one shift) or P100 (oil-proof). Compare classes in our N95 vs P100 guide and the complete disposable respirator guide.

Nuisance-relief note: The OV+AG nuisance layer on this mask reduces odor discomfort at very low concentrations only — it is not rated chemical protection. Browse all nuisance-relief respirators.

Compare 1745 vs 1730 vs 1740

Frequently Asked Questions

What does nuisance-relief mean on the 1745?

The nuisance-relief layer on the 1745 is a thin activated carbon or sorbent layer added to reduce nuisance-level discomfort from low concentrations of organic vapors, acid gases, or other odorous compounds. It is NOT rated for IDLH (Immediately Dangerous to Life or Health) concentrations or chemical protection at regulatory exposure limits — it only reduces odor discomfort. Browse all nuisance-relief respirators.

Does the nuisance-OV layer on the 1745 protect against organic vapors?

No. The nuisance OV layer provides comfort relief at low concentrations but is not a replacement for a rated organic-vapor cartridge. For environments with organic vapor exposures at or above OSHA PELs, you need a half-face or full-face respirator with a rated OV cartridge. The 1745's nuisance relief is for odor comfort only.

Can the 1745 be used in chemical environments?

The 1745 is rated for particulate filtration (N95 or R95 class); the nuisance layer adds odor-reduction comfort only. For chemical protection at regulated levels, you need a respirator with rated chemical cartridges. Use the 1745 only in environments where the particulate hazard is the primary concern and vapor concentrations are at nuisance-level only.

Is the 1745 NIOSH-approved?

Yes. The 1745 is NIOSH-approved under 42 CFR 84 Subpart K as an N95 filtering facepiece respirator, confirming it filters at least 95% of airborne particles ≥0.3 microns. Verify the TC approval number on the NIOSH Certified Equipment List.

What does the N95 rating mean for the 1745?

The N in N95 stands for not resistant to oil — the 1745 is approved for non-oil-based particulates such as dust, pollen, mold spores, and smoke. It should not be used in environments with oil-based aerosols (spray paint mist, cutting fluid, lubricant mist). For oil environments, choose an R95 or P100 mask instead.

Can I reuse the 1745?

Disposable N95 respirators like the 1745 are designed for single extended use or limited reuse per OSHA guidance — they are not washable. Discard when the mask becomes soiled, damaged, hard to breathe through, or after use in a hazardous environment. Follow your employer's written respiratory protection program for reuse decisions.

Does the 1745 require a fit test?

Yes. OSHA 29 CFR 1910.134 requires a fit test before first use of any N95 respirator in a workplace where it provides occupational protection. Read our fit test guide for qualitative and quantitative options. The 1745 should seal flush against your skin without gaps at the nose bridge or chin.

How do I know the 1745 fits correctly?

Perform a user-seal check each time you don the mask: cup both hands over the mask and exhale sharply — if you feel air escaping at the edges, re-adjust the nose clip and re-seat the straps. Our respirator sizing guide covers fit factors by face shape. A proper seal is essential for rated N95 protection.

Is the 1745 safe for COVID-19, smoke, or wildfire ash?

An N95 like the 1745 filters particles at the same size range as many respiratory aerosols, smoke particulates, and wildfire ash. However, this product is an industrial respirator — it is not FDA-cleared as a surgical mask unless specifically noted. Check the product label for FDA clearance status if healthcare use is required.

How many 1745 respirators come in a box?

Pack size is shown in the product title and on the box. Browse the full disposable respirator catalog for available box counts — options range from individual pouches to bulk industrial packs.

Can I use the 1745 for spray painting?

No. Spray paint and primer produce oil-based aerosols that break down N95 electret filter media faster than rated. For paint booth and spray work, choose an R95 (oil-resistant) or pair an R95 or P100 with an OV/AG nuisance cartridge layer. See our full respirator guide for the right class.

What is the shelf life of the 1745?

Most disposable N95 respirators carry a manufacturer shelf life of 5 years from the production date when stored in the original sealed packaging away from sunlight, heat, and humidity. Check the lot code and expiration date printed on the box before use.