50303 30 sq.ft. Intex 58621, Krystal Klear Models 520/530, Sand-n-Sun, Wet Set, East Set
50303
| OD | 5-3/4"（146mm） | Length | 12"（305mm） |
| Top | 1-7/8" Open | Bottom | 1-7/8" Open |
| Manufacturer | 30 sq.ft. Intex 58621, Krystal Klear Models 520/530, Sand-n-Sun, Wet Set, East Set | ||
| Replacement | Unicel：C-5330 Filbur：FC-3748 Pleatco：PIN28 | ||
| 50303 | |
| OD | 5-3/4"（146mm） |
| Length | 12"（305mm） |
| Top | 1-7/8" Open |
| Bottom | 1-7/8" Open |
| Manufacturer | 30 sq.ft. Intex 58621, Krystal Klear Models 520/530, Sand-n-Sun, Wet Set, East Set |
| Replacement | Unicel：C-5330 Filbur：FC-3748 Pleatco：PIN28 |