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Replaces any secondary plumbing vent protecting the traps of kitchen sinks, bathrooms, basins, tubs, showers, washing machines, etc. Breaks siphoning action caused by draining water. The differential created by draining water automatically opens sealing disc and as drain flow stops, spring mechanism automatically closes sealing disc to keep water seal in trap constant and prevent sewer gas from escaping drain. MUST be located at least 6 in above trap arm top. 13/16 thread.
|Inlet Size||1-1/2 in|
|Prop 65 Warning||WARNING: This product can expose you to chemicals including Unknown, which is known to the State of California to cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.|
|Usage||For Venting Sinks, Tubs and Showers|