Keep your pool sparkling clean and clear day after day Replaces Intex 29000E filter cartridge and fits any filter pump that uses Intex 59900 filter cartridges Intex recommends replacing this filter cartridge as often as every 2 weeks for peak pump performance This type A filter cartridge is manufactured out of Dacron For the 500, 530, 800, 1000 & 1500 GPH filter pumps models 28603EG, 28637EG, 28635EG, 28671EG, 58603EG, 58604E, 28635EG, 56635EG, 56636E, 56637E, 56638E & 58623, as well as Intex filter pumps or Krystal Clear filter pumps models 02 & 12R
