Intex Filter Cartridge "B". Filter cartridge is approximately 8 inches by 4.25 inches in diamater. Suitable for use with 18ft - 24ft Intex Easy Set Pools and Intex Frame Pools.

Features:

• 10inches x 5.5inches
• 18ft - 24ft Intex Frame and Easy Set Pools
• For Use With The Following Filter Models: 51, 52, 633/T, 634/T, 8110/51, 8111, 8221/31, FP621/22, FP621R/22R, CS8111, CS8221 and CS8231