["Usage Introduction:\r\n1. Make sure that the cylinder is stationary and locked tightly.\r\n2. Please do not add any lubricant.\r\n3. Please do not disassemble the device.\r\n4. With the check counter bubble gauge, the reading is accurate, the built-in check reverse backflow can prevent the backflow phenomenon when the cylinder pressure decreases.\r\n\r\nAdjustment Method:\r\nClose CO2 gauge, install pressure reducing for valve, connect equipment.\r\nOpen the relief for valve trim switch, and adjust the gas output. Smaller than required.\r\nAdjusting pressure reducing for valve 8 hours later.\r\n\r\nWarm Tips:\r\nPlease note this m22-14 do not fit cylinder in USA and Canada.\r\nThe thread is made according to UK, Europe, Japan and Taiwan standard (JIS m22-14), 22mm in diameter.\r\n\r\nSpecifications:\r\nMaterial: Aluminium Alloy\r\nColor: Silver\r\nThread Diameter: 22mm/0.87\"\r\nInput pressure: 0-10mpa\r\nIntake link: GB cylinder interface G5/8\r\nOutgassing link: M10x1 outer filament\r\nOutput pressure: Fine tune out bubble seconds calculation\r\nQuantity: 1 Set\r\n\r\nNotice:\r\nPlease allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. \r\nPlease understand that colors may exist chromatic aberration as the different placement of pictures. \r\n\r\nPackage Includes:\r\n1 x CO2 Pressure Gauge\r\n1 x Ring Washer"]