Oatey 39012 ABS In-Line Vent

Oatey In-line vent replaces secondary plumbing vents that protect the traps in kitchens and bathrooms. Mechanical vent installs on the drain line and vents the line without allowing sewer gas to enter the home. Mechanical vent installs on the drain line and vents the line without allowing sewer gas to enter the home. Helps prevent sewer gas from entering your home. Push to connect type of connection. Spring-loaded to open with negative pressure and close with positive pressure. NSF-24 listing for use in recreational vehicles.