| Replaces | Unicel | Filbur | Pleatco |
| C-6620 | FC-3840 | PMS20, PMS20-4 |
| Muskin 20 |
| These are replacement filter cartridges that fit into pools / spas made by: |
| Other (OEM) Part Numbers |
| A3821, FD-20, FD-40, FE-20 |
| Stock Orders | Per Pack | 1 | UPC CODE | 090164000206 | Pack Weight | 9 lbs 4 kg |
| Top | Side | Bottom |

















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