Features: <br> <br>Made of high quality metal material for maximum durability. <br>Easy to install and use. <br>CO2 refill adapter is used to fill CO2 into your Sodastream tank. <br>Adjustable valve pin ensures compatibility with any cylinder valve variation. <br>Precise design, anti-corrosion and wear resistance. <br> <br>Specification: <br>Condition: 100% Brand New <br>Material: Metal <br>Internal Thread: TR21-4 <br>External Thread: W21.8-14 <br>Color: Black, Silver (optional) <br>Optional Type: <br>#1: Black adapter with meter <br>#2: Black adapter without meter <br>#3: Silver adapter with meter <br>#4: Silver adapter without meter <br>Name: Oxygen Air Flow Meter <br>Connection type: hose 8mm <br>Regulating valve: with valve <br>Body material: PMMA <br>Pressure: 0.1Mpa <br>Accuracy: four degree,0.5% <br>Temperature: 0-60℃ <br>Float material: Agate ball <br>Gasket material: Silicon rubber <br>Height: 65mm <br>Measure range: 0.1-1.5L <br> <br>Package list: <br>1 * CO2 Refill Adapter <br>1 Set * Wrench Gasket Accessories<br>1、Made of high quality metal material for maximum durability <br>2、Easy to install and use <br>3、CO2 refill adapter is used to fill CO2 into your Sodastream tank <br>4、Adjustable valve pin ensures compatibility with any cylinder valve variation <br>5、Precise design, anti-corrosion and wear resistance