ExtendAir® Retrofit Canisters are available as replacements for the Drager Dolphin scrubber canister and the Azimuth scrubber canister. The ExtendAir® Kits convert these rebreathers enabling the use of ExtendAir® absorbent cartridges in place of granular absorbents. The canisters attach to the breathing bags in exactly the same place as your granular canister. The ExtendAir® Advantage Absorbent in single use cartridge form Virtually eliminates dust in the canister Easy to load even in adverse conditions Consistent, reliable performance Convert your rebreather to ExtendAir® absorbent cartridges today. Click here See how easy ExtendAir cartridges are to use. Click here to pop-up a new window with how-to-use instructions.