Replacement Filter Cartridge Fits the Intex 108 and 208 Krystal Klear filter pumps.
Also fits older models.
Cartridge is approx 8 inches high by 4.25 inches diameter Suitable for 12ft and 15ft Easy Set and Frame pools.
Intex Model Number 59900. Type A.
For 18ft and 24ft pool you need the Large Intex Filter Cartridge.