SpiroPure SP-PS-3963 is a compatible alternative pool and hot tub spa replacement for Caldera 1019401 / 73532, Filbur FC-3963, Pleatco PCD50N, and Unicel C-7350 cartridges. SP-PS-3963 is designed to fit spas and pools by Caldera Spas.
Important Specifications:
- Diameter: 7"
- Length: 10 3/4" (10.75")
- Top Hole: Closed
- Bottom Hole: 2 11/16" (2.6875")
- Top Style: Handle
- Bottom Style: Open
- Media Area: 50 sqft
- Weight: 3 oz
Compatible Filter Model/Part Numbers:
- Aladdin 15051
- Baleen AK-60033
- Caldera 50
- Caldera Spas 73532, 1019401
- Filbur FC-3963
- Pleatco PCD50N
- Pure N Clean PC-3963
- SD-00358
- Unicel C-7350
- 50 sq.ft. Caldera Spas (new style)
Compatible Hot Tub Spa & Pool Brands:
- Caldera Spas
- Hot Spot Spas
- Watkins Mfg.
