LA Spas Replacement Filter Cartridge

The Unicel 5CH-203 hot tub filter has a closed top with 3 inch MPT male threads on the bottom and is a compatible replacement or alternative for filter sock or filter bag used in select LA Spas. LA Spas has used different replacements for the filter sock or filter bags over the years. Therefore it’s best to confirm that this filter has the same thread size as the filter soak or filter bag in your LA Spa model before ordering to ensure proper fitment. Filter details. Unicel P/N: 5CH-203 Diameter: 5-3/8" Length: 7" Top: Handle Bottom: 3" MPT Thread (Fine) Media: 20 sq.ft. Filter Media: 3oz Pleat count: 235 Compatible replacement for: Pleatco PLAS35 Filbur FC-0303 How long should Unicel hot tub filters last? While most hot tub filters need to be changed every six to twelve months, Unicel brand filters are premium high-quality filters that can last up to two years or more, depending on your level of use and cleaning routine.