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Oatey 1-1/2 in. ABS In-Line Cheater Air Admittance Vent
Oatey 1-1/2 in. ABS In-Line Cheater Air Admittance Vent
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Help prevent sewer gas from entering your home while you vent your drain line with the Oatey 1-1/2 in. ABS In-Line Cheater Vent. This spring-loaded vent uses negative pressure to open and positive pressure to close. Also replaces secondary stack venting.