Product Details
- MaterialPlastic
- Size1-1/2 in
- ColorBlack
Description
- Air automatically enters drain line for proper venting, then the spring-loaded seal closes after drainage to prevent escape of sewer gases
- For secondary venting only
- Each drainage system must have a main vent stack
- To be installed in a readily accessible location with free flow of air, never in a sealed wall cavity
- Sealing disc of auto vent must be located at least 6" above the top of the trap arm