Krystal Klear Wet Set 1500 Gallon Intex Pool Filter Pump Fits All 18' and 24' Intex Easy Set and Frame Set Pools Fits pumps and pools that use 1-1/2 in. clamp on styled hoses or screw on hoses New and improved replacement pump for Intex Model 56631 and 5862 [Krystal Klear Models 51 and 520R] INCLUDES: One Filter Cartridge. NOT INCLUDED: Hoses, Plunger Valves and Fittings Air valve for trapped air, Sediment flush valve placed at bottom of the filter chamber