Quick view Knight Equipment Obsolete: Knight Equipment KAP-25SP 1/4" AODD Pump 4 GPM Polypro Wetted End, Santoprene, Balls & Diaphragm, GF Polypro Air motor chamber. includes Hose Clamps and Suction screen OBSOLETE PUMP We reccomend the SAMOA UP03B-NPS-PTA 3/8" AODD Pump To Replace the KP-25SP Knight Equipment KAP-25SP 1/4" AODD Pump 4 GPM Polypro Wetted End, Santoprene, Balls & Diaphragm, GF... Add to Wish list