Length: 8 inches, outer diameter: 4.2 inches. The pool filter's powerful propelling stream effectively removes hair, leaves, dust, sediment, sand and more. Provides you with crystal clear water so you can enjoy your health. Keep your pool water crystal clear and your pool pump performing at its best with Type A or C pool filters. swimming pool filter cartridge offers you the bottom of the pool visible to the naked eye. Compatible with Intex filter pump models 603, 604/G, 635T, 636T/G, 637R, 638/G, CS7111, CS7221/72321, EC07111, EC07221/7231 or Krystal Clear 02 and 12R filter pump models. Custom made. For Poly Group pool filter. SFS 1000, SFS 1500, SFS 2000, SFX-1000, SFX-1500, RP-800, RP-1000, RP-2000, RX-1000, RX-1500, CP-2000. Parts spares are the Intex 59900E and 29000E. Compatible with Intex 500, 530, 800, 1000 and 1500 GPH pool filter pumps. The numbers of pool filters are intex 28603EG, 28637EG, 28635EG, 28671EG, 5EG, 5EG, 5EG, 5EG, 8603E, 58604E, 56635E, 56636E, 56637E, 56638E and 58623 stain removal when cleaning, so it is easy to wash the filter after use. It is recommended to change the filter cartridge every two weeks to maximize the performance of your spa.