39012 1.5 In. NPT ABS In-Line Vent, Black
It breaks the siphoning action caused by draining water. 1.5-In NPT In-Line Vent. ABS construction.
1.5″ NPT In Line Vent ABS Black Plumbing Air Admittance Valve Drain Vent
It breaks the siphoning action caused by draining water. 1.5-In NPT In-Line Vent. ABS construction.