This part is a Filter Cartridge, 50sqft, 2-11/16"ob, 7" Wide, 10-3/4" Tall, found on some Watkins Caldera hot tubs..
| Application | Caldera Spas (Watkins), Watkins Mfg/Caldera Spa |
| Bottom Physical Dimension | 2-11/16" |
| Bottom Style | Open |
| Diameter | 7" |
| Length | 10-3/4" |
| Media Type | 3oz |
| Square Footage | 50 sq ft |
| Top Style | Handle |
