The way I can think of that you could only really try this is going to surplus stores and trying on a M40 if they have one or ordering one online that accepts returns to check how it fits. The instructions only really work if you have all 3 sizes of M40 available while fitting so it isn't that helpful. If mask assembly still does not meet above standards, try another mask size. Mask assembly does not press flesh so tightly that eyes are closed. Soldier's pupils are within the center one third area (vertical) of the eyelens. Temple straps and cheek straps do not cut in to ears. In the manual TM 3-4240-346-20&P, there is a section on page 2-22 which briefly mentions on how you check if the mask fits and it goes as follows:Įdge of mask assembly comes up on the forehead but not in to hairline and within 1 in. It is also worth noting that the only thing that works for people with beards are hooded respirators which typically run on a PAPR (Powered Air-Purifying Respirator) setup.I can't find a size chart either but the M40 only came in 3 sizes (Small, Medium, Large) and after looking it seems the way size is determined is by trying on a mask and checking the fit. That way, you'll be able to quickly get rid of any facial hair in case something unexpected happens. To ensure proper functioning, the user’s face must be smooth, free of facial hair, sideburns, and other hindrances at the points of contact.įor emergency situations where most individuals aren't clean-shaven, we recommend keeping a beard trimmer in your kit. Facial hair is also a common reason that someone cannot be fit tested. You can either upload the prescription on the product page or send it to us via email at afraid we don't have masks that are built to fit people with facial hair as most respirator masks rely on a tight facepiece seal to achieve maximum protection. As part of the order process, we require a current prescription. You'll have the option of choosing from different lens types and colors. We recommend our MIRAVISION Spectacle Kit instead. Glasses cannot be worn with this mask as it would break the seal at the temples. The drinking system is also compatible with CamelBak hydration systems. The CM-7M nuclear gas mask is equipped with a drinking system that enables safe drinking in contaminated areas. The dual lens configuration provides superior depth perception when compared to a single panoramic faceplate, making it ideal for use with rifle iron sights or in combat. The lenses of the CM-7M warfare mask are specifically crafted to ensure compatibility with all kinds of optical devices while providing a sufficient field of vision. These military-grade gas masks are manufactured under the permanent supervision of a representative of the Czech Ministry of Defense and are trusted by military and police users in a wide variety of countries. This ensures compatibility with the widest range of filters readily available on the market today. The inhalation chambers on this army gas mask are fitted with the Rd 40 x 1/7” thread in accordance with the EN 148-1 (NATO) standard. The inner mask features comfortable hypoallergenic construction that reduces the content of carbon dioxide in the mask and regulates the flow of inhaled air to prevent fogging for more comfortable all-day use. This tactical gas mask is designed to withstand long-term use in any weather conditions. The material of the facepiece (bromobutyl rubber) on this NATO gas mask provides extraordinary protection against all known chemical warfare agents, along with biological, nuclear, radiological, and industrial chemical agents. A NATO-standard filter canister can be mounted on either (or both) side of the military mask to make it easier to aim a gun whether right- or left-handed. The CM-7M hazmat mask meets the EN 136 (Class III) and EN 148-1 standards and is available in three sizes, providing a perfect fit for practically any user. The CM-7M CBRN military gas mask was designed and developed in cooperation with Czech Army specialists and specifically developed for use with a wide array of optics for advanced tactical capability. 60 Paįunctional reliability - 30☌ up to +70☌ Resistance against penetration of NBC agents > 48 hours Technical specifications Average weight 500g Plastic components polyoximethylen, polyamide Inner mask, other rubber components natural rubber, non-irritating Facepiece bromobutyl rubber, non-irritating
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