Correct use: The air outlet thread of the air tank must match the M11 thread of the air inlet of the pressure regulating valve to be used correctly. Previously, it was only necessary to connect the 580g air tank and cream dispenser with the air pipe and screw joint to use it. Release the pressure slowly and use it easily, suitable for large cocktail parties, dessert shops, making bubbly cocktails, desserts, cupcakes and more Efficient and safe: This cream foaming machine has been tested to meet the air pressure release standard, safe to use, suitable for 580g storage tank and 0.95L whipping cream charger, high capacity, with pressure gauge, safe and efficient. Accurate data: There is a pressure gauge on the left and right sides of the cream pressure regulator, which can display the pressure accurately and clearly, allowing you to adjust the release to the desired gas pressure value at one time and use it accurately Material: Our pressure regulator valve is made of high quality Metal material, strong, reliable, anti- and rust-proof, can provide you with long-term application Colour:Photo Color Material:Metal Package Contents: 2 x Control valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.