Check Valve For Adi Signature Series Skimmer Only

Check Valve Assembly for one and one half inch and two inch Pump Output with a threaded MPT. This size is used in the Aquascape Designs Signature Series Skimmers only. The Flexible PVC pipe can be cut on site for a custom fit. Flexible PVC Glue is required for the installation. The new removable connection added below the check valve allows you to remove pump without draining the BIOFALLS Filter. You need a check valve assembly to hook up your pump to your plumbing. The check valve also prevents water from draining out of the BIOFALLS Filter and simplifies pump removal during winter or maintenance times.