Details Now you can refill your Spare Air to 3000 psi using this customised hand pump and it is ready to go out of the box! This high quality, high pressure hand pump includes the two necessary adaptors and correct fittings required to connect to the Spare Air. This model includes a Dry-Pac system that removes 90% of harmful moisture which is really important when filling a breathing system. The hand pump comes with a 5 year warranty when maintain in accordance with the owner’s manual and use the recommended replacement parts as needed. Features Customised Hand Pump includes additional adaptors necessary to fill Spare Air Eliminates dependency on pe shops or scuba cylinders for filling. Portable – no electricity needed! To fill a 1.1 cu.ft. cylinder: approximately 150 pumps, 5 minutes with breaks. To fill a 1.7 cu.ft. cylinder: approximately 210 pumps, 10 minutes with breaks. To fill a 3.0 cu.ft. cylinder: approximately 450 pumps, 20 minutes with breaks (important to let the pump cool down every 50 pumps or so) To fill a 6.0 cu.ft. cylinder: approximately 900 pumps, 40 minutes with breaks (important to let the pump cool down every 50 pumps or so)