The Story
Air automatically enters drainage line to prevent syphonage. Seal closes as drainage stops to prevent sewage gas from entering home. For use with sinks, tubs, showers and washing machines. Size 1-1/2".
Description
Air automatically enters drainage line to prevent syphonage. Seal closes as drainage stops to prevent sewage gas from entering home. For use with sinks, tubs, showers and washing machines. Size 1-1/2".












