Automatic Plumbing Air Admittance Vent (1-1/2" MPT) Automatic plumbing vent permits air to enter drain line to prevent siphonage. Seal closes as drainage stops to prevent sewer gas from entering...
1 1/2″ Gas Regulator Vent
Square Vent Design Features:
Non-Corrosive Aluminum Construction
16” x 16”, .0018
Gauge ScreenScreen Designed to Blow-Out in Relief if the Screen becomes Blocked
Circular...