Part Number GAC-20 having (CAGE Code 3BSP4) and FSC 4610 Water Purification Equipment in stock with ready to ship. Get an instant quote for GAC-20 Filter Element Wate by Pentair Filtration Solutions Llc. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.