40371 37 sq.ft. Rainbow, Waterway Plastics, Morgan Spas. Leisure Bay Spas.
40371
| OD | 4-15/16"（125mm） | Length | 13-5/16"（338mm） |
| Top | 2-1/8" Open | Bottom | 2-1/8" Open |
| Manufacturer | 37 sq.ft. Rainbow, Waterway Plastics, Morgan Spas. Leisure Bay Spas. | ||
| Replacement | Unicel：C-4637 Filbur：FC-2380 Pleatco：PRB37-IN | ||
| 40371 | |
| OD | 4-15/16"（125mm） |
| Length | 13-5/16"（338mm） |
| Top | 2-1/8" Open |
| Bottom | 2-1/8" Open |
| Manufacturer | 37 sq.ft. Rainbow, Waterway Plastics, Morgan Spas. Leisure Bay Spas. |
| Replacement | Unicel：C-4637 Filbur：FC-2380 Pleatco：PRB37-IN |