Item Type: Soda Refill Adapter Material: Stainless steel, brass. Package List 1 x Soda Refill Adapter 2 x Washer 1 x Small Washer 1 x User Manual 1Easy Refilling: Able to connect the soda maker to a CO2 tanks, the refill adapter will largely simplify your drink refilling. 2Stable in Work: Comes with corrosion resistance, high temperature ductility and low magnetic permeability under 100 and 212. 3With Long Hose: The long hoes can withstand a high pressure up to 1500 psi for higher gas tightness, very safe and reliable. 4Great Material: Using premium stainless steel and brass materials, this cylinder cartridge connector has excellent durability. 5Easy to Install: Designed to have a light weight and a compact size as well, both the installation and removal are very simple.