Description: High Pressure Hand Air Pump Inflator Pump For Scuba Oxygen Cylinder Tank;    Features:  - Made of high quality Mg aluminum alloy, anti-rust and durable.  - Folding base design, conveinet for storage.  - 4-level high pressure inflator pump. Faster inflation, inflation speed increased by 20%. You will feel lighter and the air output is larger when inflating.  - High pressure air pump by hand, with oil-water separator, compress dry and clean air into oxygen cylinder.  - Easy to pump, convenient to operate, time-saving and labor-saving.  - With a pressure gauge on it, you can know when to stop inflating.  - Portable and practical, essential accessory for diving.    Specifications:  Product Name ;  High Pressure Inflator Pump For Scuba Oxygen Cylinder Tank;  Material Oxidized Mg Aluminum Alloy;  Color Black;  Air pressure 30Mpa;  High-pressure gas cylinder inflation 0.5L gas cylinder is about 400 or so, about 5-6 minutes;  Quantity ;  1pc x Hand Inflator Pump;  1pc x Manual;  1pc x Installation Accessories Kit;  Not Include Oxygen Cylinder.    How to use:  1. Open the folding base;  2. Connect the air pump and oxygen cylinder;  3. Tighten the pressure relief valve;  4. Start to inflate, when the pointer reaches 20 MPa, stop the inflation;  5. Unscrew the pressure relief valve; 6. Disconnect the air pump and oxygen cylinder;  (After the inflation is completed,  must first unscrew the pressure relief valve to relieve pressure.);    Package Included:   1 Pc x  Hand Inflator Pump; 1 Pc x  Manual; 1 Pc x Installation Accessories Kit