Features High Pressure Capacity: With a working pressure of 1500 PSI and a gauge pressure of 3000 PSI, this cylinder refill adapter ensures reliable high-pressure performance for efficient CO2 tank refilling. Precision Pressure Control: The equipped pressure gauge allows for accurate monitoring of air pressure, enabling control within a safe range for optimal filling results. Dual Valve Functionality: Featuring dual ON/OFF valves, this adapter provides control over CO2 transfer from large to small cylinders and the release of excess gas, ensuring safe and efficient refilling. Easy Installation and Leak Prevention: Compact and easy to install, this refill adapter comes with gaskets for a secure fit, while the use of a wrench ensures a tight connection to prevent leakage during . Construction: Crafted from stainless steel and brass, this adapter hose set boasts superior rust and corrosion resistance, ensuring long-lasting durability without deformation or wear. Specification: Item Type: CO2 Cylinder Refill Adapter Material: Stainless steel, brass Connector Specification: CGA320 Hose Length: 36in Package List: 1 x Adapter 3 x Gaskets 1 x User Manual Note: betweendiv>1. Please read the instructions before use; the large CO2 tank (gas supply bottle) should have sufficient pressure. If it is liquid CO2, turn the large tank upside down or freeze the soda bottle for a while to inflate. If following the instructions the small canister still does not inflate, we recommend replacing the thin thimble canister. Cannot be used in paintball CO2 tanks. Cannot be used with new CO2 bottles.between/div>betweendiv>2. When the stainless steel woven hose expands, check whether the thimble of the vial is too thick to inflate. If there is, replace the thin thimble bottle and it can be used normallybetween/div> Package List 1 x Adapter 3 x Gaskets 1 x User Manual