• 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
• Two fixtures may be drained by a common 1½" drain pipe.
• Three or more fixtures will require a 2" drain pipe
• Black ABS

FOR CALIFORNIA SHOPPERS

Hello Californians! Your government wants us to show you the following message:

• ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov