Fibropool 3 Way Diverter Pool Valve 1 1/2" Female Threaded An original Fibropool product. ABS/ PVC Valve. 3 way , 360 turning handle, can close any 1 port or no ports at all. Silicone rubber seals, Serviceable insides. Assembly by Stainless Steel Screws 1 1/2" inch ports are female threads are compliant with American Standards. Actual flow opening is 1 1/8" size inside.