Description
Genuine replacement 30 square foot filter cartridge engineered for Hot Spring spas manufactured by Watkins after 1990. This premium filtration cartridge measures 6 inches in outside diameter and 10-1/2 inches in overall length, featuring 1 15/16 inch open-style openings on both top and bottom ends.
Designed exclusively for HotSpring brand spa systems, with certain Classic models requiring up to 5 of these cartridges for complete filtration coverage. Cross-reference part numbers FC-3915, C-6430, and PWK30 ensure accurate replacement compatibility.
| Diameter | 6″ |
| Length | 10-1/2″ |
| Top Style | Open |
| Top Physical Dimension | 1-15/16″ |
| Bottom Style | Open |
| Bottom Physical Dimension | 1-15/16″ |
| Application | Hot Spring Spas (Watkins), Watkins Mfg/Hot Spring Spas |
| Model | Classic, Models after 1990 |
| Square Footage | 30 sq ft |
