Model BIOPAK 240 Land Of Origin Usa Special Note: User Group Terrestrial Firefighting/mine Rescue/military Part No: BIOPAK 240 Working Principle 1,65 Ltr/min Cmf Plus Volume Activated Demand Valve Gas Type Pure Oxygen Cylinder Volume 535 Ltr Max. Cylinder Pressure 3000 Psi Room Temperature Material Of Cylinder Fiberglass Wrapped Aluminium Cylinder Counterlung Inspire ? Counterlung Exhale None Dive Time Duration 4 Hours Operating Temperature Magnetic Signature Weight Ready To Use In Air 17,7 Kg Weight Ready To Use In Water - Mod Not For Uw Use Uw Use After Mod. Scrubber Material Refillable Canister Calcium Hydroxide Colour Worn Back Worn Mouthpiece Full Face Mask Valves Ffm = Scott Backpack Yes Extra Extra Low Pressure Alarm At 259f Volume Optional Coolant Ring Around The Canister Overpressure Valve Equipped With Heat Absorbent Canister "blue Ice"