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non-staining
Each P3 cassette contains 48 tests
raise alkalinity hot tub
cost-saving package
Unicel C-4305 Hot Tub Filter Cartridge filter clean non-stainingThe Unicel C 4305 has been used in a variety of hot tub models and brands over the years, including select Cal Spas and the 1994 Suntub by Sundance Spas. As filter dimensions can vary between spa models, its always best to confirm this cartridge matches the size of your existing filter to ensure proper fit and performance. Specifications: Part Number: C 4305 Diameter: 4 15 16" Length: 14 7 8" Top: 2 1 8" Open Bottom: 2 1 8" Open Media Area: 50 sq. ft.
