Item dimensions L x W x H 1 x 1 x 1 inches
Outlet Connection Size 1.5 Inches
Exterior Finish Plastic
Material Acrylonitrile Butadiene Styrene (ABS)
Number of Ports 2
Inlet Connection Size 1.5 Inches
Country of Origin China
UPC 726084316133

Check the listing for details. 2 Pcs 1-1/2 Inch NPT ABS in Line Vent,Black Air Admittance Valve to Prevent Sewe. Condition: New, Made in China. Listed at 11.66 USD. Working principle:The air vent valve features a spring-loaded design. As water and waste flow through the drainpipe, negative pressure is created within the pipe, causing the seal to lift and allow air to enter.

$8.16
$11.66