Very hard to find nowadays: the Dräger DM 40 backpack. Fits any Dräger helmet with backpack connections. This version has the rechargable scrubber cannister. The apparatus comes in the original wooden box and has a lot of extra's with it. Condition: see photographs. Inside looks brand new but the apparatus has not been tested and is sold 'as is'. Price on request.
Dräger DM 40 Rebreather