Checks back flow of water and sewer gas -- helps eliminate sump and sewage ejector/effluent pump noises by stemming the back flow of fluid in the discharge line.
Can be installed on vertical or horizontal discharge lines.
PVC body
Simple to install. No pipe threading or sweating. Save time and material costs!
Neoprene gasket and flapper, weighted with heavy non-corrosive metal backing plates and stainless steel rivets for lasting durability.
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