Metal Non Return Valve Details:
– Material: Stainless steel
– Size: as the picture shows
– Outer Diameter: 4mm

Metal Non Return Valve Features:
【HIGH QUALITY】
– The check valve is made of premium stainless steel materials, very durable and sturdy.
It is also rust-resistant, easy to clean and break-resistant.
【HIGH PERFORMANCE】
– This stainless steel check valve is anti-leak and anti-backflow.
It can prevent water flow from returning and keep the function and service life of a carbon dioxide bottle.
It is also anti-high pressured, anti-acid and alkali.
【FOR CO2 SYSTEMS ONLY】
– The check valve is suitable for the CO2 supplying system and NOT air pumps.
It is suitable for the tube of inner diameter 4mm and outer diameter 6mm.

Metal Non Return Valve Note:
– This check valve is for the CO2 system ONLY.
It cannot be used with DIY hand-made or air pumps.
– The inlet direction is shown in the picture.
– It is suitable for the tube of inner diameter 4mm and outer diameter 6mm.

Metal Non Return Valve Package included:
1x Check Valve