Refillable Stainless Steel 45g/46g Co2 Cartridge for Outdoor Rafting Inflatable Life Vest Life Jacke Kayak Water Sports Airbag Acces Material: stainless steel Thread: 3/8''-24UNF; 1/2-20UNF Maximum pressure resistance: 20MPA / 3000si. PLEASE NOTE: You must use a high pressure pump (above 30mpa) to inflate it, not a normal pump. Q:What is the grade of the steel you used? ----304 stainless steel, edible grade Q:What are the o-ring specs? Viton, Kalrez, E38... ----Gas phase silica gel, after secondary vulcanization Q:What is the maximum pressure 200 bar, 500 bar?? ----After the seller's own test, it can withstand 20Mpa without any damage, leakage and other abnormalities. If you are interested, please contact the seller to provide the test video.
Returns Accepted for this item if it's within 30 Days