Material:Explosion-proof high density PVC, assure you of the safety, anti-explosion. Measures:13.8"x13.2"/ 35cm x 33.5cm and ergonomically designed for most neck sizes.
Inside Pneumatic Cast Iron Diaphragm Valve, there is a diaphragm between the valve body and the valve cover of the diaphragm valve, and the diaphragm is made of rubber or polytetrafluoroethylene.