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Questions & Answers
Will this work if poison gas is released in the air? Expert Answer

That will depend on the filters paired with this mask.

by Kurt Colbourne, Gear Expert, September 29, 2021
Can eye glasses be worn with this mask? Expert Answer

No, unfortunately not.

by Kurt Colbourne, Gear Expert, September 29, 2021
Customer Reviews
Helpful Positive Review
The mask is made in 94 but perfect. The filters I received are the gp5, which have asbestos. They were not sealed either which means they will not protect you from chemicals. Get new filters and this setup is good to go.
15/15 found this helpful
Helpful Positive Review
Quality Product by Negus, July 25, 2020
Made for those willing to embrace the situation 10 toes down, head up, shoulders back & chest out. Those unwilling to practice the skills of survival when the fan is turned on; need not apply. Common sense and intestinal fortitude is all that's ne...
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2/7 found this helpful
Helpful Positive Review
great masks would highly recommend by kelvin0406, Verified Owner, August 6, 2020
Field of view is fantastic and totally universal with standard 40mm canisters. Would of hoped for a drinking tube but I can live without, mask fits as expected, comes with retention band to keep from deformation during storage. Optics planet delivere...
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3/3 found this helpful
Helpful Positive Review
Good mask, Bad filter by Milk man, Verified Owner, November 8, 2019
The mask is of good quality and would be sufficient in an NBC environment. It comes packaged new although there is a slight scratch on the lens. There is a plug that can accept a drinking tube if you were to buy one for this model. The filter, howeve...
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11/11 found this helpful
Helpful Positive Review
Awesome fit, great field of view. by JD, Verified Owner, August 14, 2020
Mask fits great and is very comfortable with clear lenses. Although I have only tried it on for fit I can say, based on my initial impressions and what I know from experience with other masks, this mask should be comfortable for extended use. Does no...
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1/1 found this helpful
Read All 5 Reviews

Product Discontinued by Manufacturer

Army Navy Sales A4 Forsheda Gas Mask Respirator has been discontinued by Army Navy Sales and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Lab Safety & Apparel, Tools, Survival Gear, Personal Protective Equipment, Safety Masks & Respirators yourself to try and find the perfect replacement for you!

Product Info for Army Navy Sales A4 Forsheda Gas Mask Respirator

Rigorously tested, NBS-rated, and engineered with military technologies and easy-to-use civilian features. These Army Navy Sales Safety Masks & Respirators are a full-face respiratory system gas mask that protects the face, eyes, and respiratory organs. Features include an anti-fogging system, increased field of vision, and single-unit harness with customizable strap-and-buckle system. Offers protection from chemical, biological, and radioactive hazards, including solid and liquid particles, bacteria and viruses, and chemical and organic gasses. Meets NATO's NBC standard.image

Uses standard 40mm filter (not included)

Features:

  • Anti-fog and dual-air system
  • Specialized lens system made from high-strength stable polymer
  • Extra-wide field of vision
  • Clear-speech exhalation valve
  • Fully adjustable 6-point harness for snug and secure fit
  • Civilian-friendly, minimal training necessary
  • Lightweight, foldable, and easy to store
  • NBS-rated Engineering
  • Eyepieces: Polysulfone lens system fitted internally and externally for stability
  • Anti-Fogging: The internal mask features a valve unit and sealing cover that provide additional anti-fog measures.
  • The system is designed to guide air from the filter to the lenses before reaching the internal mask.
  • Internal Transit Frame: Designed for maximum shape maintenance
  • Harness: The single-unit head harness uses a 6-point system to ensure customizability and secure wear. Rear-panel is outfitted with elastic straps, each with their own buckle details
  • 8-10-second donning period
  • Capable of 24-hour deployment
  • Works with standard NATO 40mm gas mask filter (not included)
  • Uniform standard Size 2 fits 95% of adults
  • Lightweight construction (440g)
  • Constructed of bromobutyl rubber materials; no second skin needed
  • Protection factor: >10,000
  • Protection against chemical warfare agents: >24 hour
  • Field of vision: 88%
  • Breathing resistance (without filter): Inhalation at 25 P at 30 I/min, 75 Pa at 95 I/min. Exhalation: 130 Pa at 160 I/min Carbon dioxide content: 0.65%

Package Contents:

  • Army Navy Sales A4 Forsheda Gas Mask Respirator

Related Products to Army Navy Sales A4 Forsheda Gas Mask Respirator

Army Navy Sales A4 Forsheda Gas Mask Respirator Unavailable & Discontinued Models

List of Unorderable Models

  • Army Navy Sales A4 Forsheda Gas Mask Respirator with Filter, Black, Adult, WGMA4 , MPN: WGMA4 , Code: 3ZW-PRP-MSAFGMRWF-WGMA4
  • Army Navy Sales A4 Forsheda Gas Mask Respirator Only, Black, WGMA4NR , MPN: WGMA4NR , Code: 3ZW-PRP-MSAFGMRWF-WGMA4NR
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Last updated 2026-07-31 UTC.