- Now available in a convenient twin pack
- Easy to clean Dacron fiber material
- Filter cartridge should be replaced every two weeks
- Compatible with: 28603EG - 530 GPH, 28637EG - 1000 GPH, 28635EG - 1500 GPH Cartridge Filter Pumps
Size:Type A 2-Pack Intex Type-A filter cartridges are an easy and hassle-free way to keep your pool sparkling and clean. The Type-A size fits Intex filter pumps and any other Type-A-sized filter.