*Item condition: New
The Vent valve is a manual operated air admittance vent valve. The valves are manufactured from SS304 and have a control knob attached to a screw actuated plunger. The plunger is sealed onto the O-ring in the valve body 
    O-ring seal
    Maximum leak rate: less than 1x10E-4 Pa
    Weight: 100 grams
    Flange: KF25, NW25
Material: stainless steel 304
*Package included: 1 pcs