Unicel 4CH-925 Hot Tub Filter

The Unicel 4CH-925 hot tub filter features a closed top with a semi-circular handle and 1-½ inch coarse SAE male threads on the bottom. It is designed to fit select Strong Spas models. Since hot tub manufacturers sometimes use different filter sizes for the same model, it’s important to check your existing filter’s dimensions before ordering to ensure proper fit.

Specifications:

• Part Number: 4CH-925

• Diameter: 4-5/8"

• Length: 7-1/4"

• Top: Handle

• Bottom: 1-1/2" SAE Thread

• Media Area: 20 sq. ft.

• Filter Media: 3 oz.

• Pleat Count: 190

Compatible Replacements:

• PSANT20P3

• Filbur FC-0126

Filter Longevity:
While most hot tub filters require replacement every 6–12 months, Unicel filters are made from premium, high-quality materials and, with proper care and cleaning, can last up to two years or more depending on usage.