"They both come in sealed containers to ensure full performance when needed. Because our principle to avoid CO2 problems is simple. The canister always outlast the O2 tank".
The tank are 3L , thats 600 Liter of oxygen. On 1 liter per minute the scrubber will last 600 min on 1,5 liter per minut 400 min. Ok we should leave a litle pressure in the tank so it would be 500 ore 300. Must be a really good design
Guys from DEMA, more dedails