Polylok 4" Extend & Lok™ for Effluent Filters

Our Extend & Lok is a simple, easy to use solution that can extend the inlet or outlet pipe, and make filter and/or baffle installation a snap. No more fighting with outlet pipes that are flush against the septic tank wall. Simply hammer in the PVC friction fit Extend & Lok and that’s it! The filter or inlet tee can now easily be installed and centered under the riser.Fits any pipe with an inside diameter of 4"Centers filter or tee under riserEasy InstallationNo gluing necessaryAlso available for 3" pipe and 6" pipe