Premium cartridges effectively remove undesirable dirt and grime, enhancing pump efficiency. Aids in safeguarding the pump and heater by preventing potential damage and extending their operational lifespan from dirt accumulation. Type A Filter compatible with Intex & Bestway models Length: 105mm, Diameter: 200mm, Hole Diameter: 40mm For pumps with a flow rate 530-1,500 gph (12'-18' Pools - Filter Pump Models 28603, 28604, 28637, 28638, 28635, 28636, 28673, 28674) Pack of 8 .
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