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Small Air Admittance Valve (Ayrlett) (20 DFU 1-1/2" or 2" Pipe)
Braxton Harris
$33.64Small Air Admittance Valve (Ayrlett) (20 DFU 1-1/2" or 2" Pipe) Fits 1-1/2″ and 2″ Pipe sizes. Vents up to 160 DFU on a branch and up to 20 DFU on a stack. Can be used as an individual, branch,... -
Automatic Plumbing Air Admittance Vent (1-1/2" MPT)
Braxton Harris
$5.16Automatic 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... -
