Features: Made of metal material for efficient. on and off. Adapter of supplementing CO2 to the source CO2 Sodastream. The adjustable stem ensures compatibility with any type of natural cylinder. Precise design, and appearance. Specification: Material: metal; Internal thread: TR21-4 External thread: W21.8-14 Kolor: black, silver (any) Optional type: #1: Black adapter with meter #2: Black adapter without meter #3: Silver adapter with meter #4: silver adapter without meter Name: The meter produces air Connector Type: 8mm Hose Color valve: with valve Body Material: PMMA Pressure: 0,1 MPa Accuracy: four degrees, 0,5% Temperature: 0-60 Floating Material: Agate Ball Seal Material: Silicone Rubber Height: 65mm Measurement range: 0,1-1,5L List of ingredients: 1 * adapter for CO2 sensor 1 set * akcesoria for key seals Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.