![]() ![]() In aerospace there are applications in unpressurised aircraft and for high altitude parachute drops, and above the earth's atmosphere, in space suits for extra-vehicular activity. On land they are used in industrial applications where poisonous gases may be present or oxygen may be absent, firefighting, where firefighters may be required to operate in an atmosphere immediately dangerous to life and health for extended periods, in hospital anaesthesia breathing systems to supply controlled concentrations of anaesthetic gases to patients without contaminating the air that the staff breathe, and at high altitude, where the partial pressure of oxygen is low, for high altitude mountaineering. Rebreathers are used in many environments: Underwater, diving rebreathers are a type of self-contained underwater breathing apparatus which have provisions for both a primary and emergency gas supply. Rebreather technology may be used where breathing gas supply is limited, such as underwater, in space, where the environment is toxic or hypoxic (as in firefighting), mine rescue, high-altitude operations, or where the breathing gas is specially enriched or contains expensive components, such as helium diluent or anaesthetic gases. The same technology on a vehicle or non-mobile installation is more likely to be referred to as a life-support system. A rebreather is generally understood to be a portable unit carried by the user. The purpose is to extend the breathing endurance of a limited gas supply, and, for covert military use by frogmen or observation of underwater life, eliminating the bubbles produced by an open circuit system and in turn not scaring wildlife being filmed. This differs from open-circuit breathing apparatus, where the exhaled gas is discharged directly into the environment. Oxygen is added to replenish the amount metabolised by the user. Take your pick from Canadian and US Military Surplus products, or check out our selection of European surplus goods from the German Military, Swiss Military, and even the Italian Military.A fully closed circuit electronic rebreather ( AP Diving Inspiration)ĬCUBA (closed circuit underwater breathing apparatus) CCR (closed circuit rebreather), SCR (semi-closed rebreather)ĭavis apparatus, Self-contained breathing apparatus, Escape hoodĪ rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath. Our huge stock of military and army surplus span multiple countries and time periods. We're not named Gorilla Surplus for nothing. The Czech CM4 Gas Mask and the Israeli 4A1 Gas Mask both accept any standard 40mm NATO filter, protecting your lungs from aerosol contaminants. It was designed to protect civilians from nuclear fallout. The Russian GP-5 Gas Mask Kit is an authentic replica and memorabilia of the Soviet Cold War, literally able to withstand temperatures from -40☌ to 114☌. These realistic gas masks are perfect for any Zombie, Apocalypse, or Biohazard-themed Halloween costumes.Įach of the gas mask kits we have for sale at Gorilla Surplus includes a filter, working as a air-purifying respirator to decontaminate the air breathed into the mask. ![]() If you're looking for a gas mask to build a costume for Halloween or cosplay, try one of our Halloween Gas Masks. Protect against nuclear, biological, and chemical agents with one of these military tactical gas masks. ![]()
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