Hydro Quip 100' BWG BP Series 4 Pin Molex Topside Ext Cable (30 25662 100) pumpimpellers Improves temperature confidence and overall Improves temperature confidence and overall repair completeness the filter can become more frustrating to service and less confidence inspiring during startup The Hydro Quip 100 foot BWG BP Series topside extension cable is designed for compatible topside control applications where a longer 4 pin Molex extension is needed This version is especially useful when the installation requires an unusually long 100 foot run and the supported system uses the 4 pin Molex BWG BP Series connection format