Gerson 1740 N95 Particulate Respirator with Exhalation Valve – Molded Cup, Made in USA (Box of 10)

Gerson 1740 N95 Particulate Respirator with Valve — Box of 10 — NIOSH-Approved N95 Disposable Respirator

Gerson 1740 N95 Particulate Respirator with Valve — Box of 10 adds an exhalation valve to Gerson's standard cup-style N95 (1730) — the valve routes warm exhaled air outward rather than back through the filter media, making the 1740 noticeably cooler to wear during extended physically demanding tasks or in warm industrial environments.

Jump to: Key Features · Specs · Hazard Coverage · Compare · FAQ

The Gerson 1740 N95 Particulate Respirator with Valve — 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 — 1740

• NIOSH N95 approval plus exhalation valve for cooler extended wear
• Molded cup maintains shape and seal during active work and head movement
• Exhalation valve routes hot exhaled air away from the face to reduce heat buildup
• Dual elastic headbands with adjustable nose clip for reliable daily-use fit
• 10-count box — appropriate for valved N95 programs with higher unit cost

Specifications

Typical Applications

• Physically demanding dusty tasks in warm environments; see all N95 respirators
• Manufacturing and heavy construction where valve heat reduction matters
• Maintenance workers doing sustained physical activity; browse all disposables
• Compare to unvalved Gerson 1730 if source control is a factor

Hazard Coverage — Gerson 1740 N95 Particulate Respirator with Valve — Box of 10

The Gerson 1740 N95 Particulate Respirator with Valve — 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 1740 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.

Compare 1740 vs 1730 vs 1745

Frequently Asked Questions

What does the exhalation valve on the 1740 do?

The exhalation valve opens when you breathe out, allowing warm humid air to exit directly rather than passing back through the filter media. This reduces heat and moisture buildup inside the mask — a significant comfort advantage during extended or physically demanding wear. Inhalation closes the valve, so all inhaled air is filtered normally.

Does the valve on the 1740 reduce filtration efficiency?

No. The exhalation valve does not affect inhalation filtration efficiency — the 1740 still filters inhaled air at the rated N95/R95/P100 level. The valve only controls exhaled air routing. Note: because exhaled air is not filtered, valved respirators are not appropriate as source-control devices (e.g., in surgical environments or when protecting others from the wearer).

Is a valved respirator like the 1740 acceptable for source control?

No. A valved respirator directs exhaled air outward unfiltered and is not appropriate where the wearer must also protect others (surgical settings, some healthcare environments). Facility policies may prohibit valved masks in sterile or at-risk patient areas. For source-control requirements, use an unvalved N95 or a surgical N95.

Is the 1740 NIOSH-approved?

Yes. The 1740 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 1740?

The N in N95 stands for not resistant to oil — the 1740 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 1740?

Disposable N95 respirators like the 1740 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 1740 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 1740 should seal flush against your skin without gaps at the nose bridge or chin.

How do I know the 1740 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 1740 safe for COVID-19, smoke, or wildfire ash?

An N95 like the 1740 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 1740 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 1740 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 1740?

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.