5CH-37 UNICEL CARTRIDGE WATKINS/ AQUATERRA SPA 37.5 sq ft

The Unicel 5CH-37 filter is a replacement cartridge filter for specific spa and hot tub filtration systems, including models from Aquaterra and Hot Springs Spas. Constructed with 221 pleated folds of durable, 3-ounce Reemay polyester media, it provides 37.5 square feet of filtration area for capturing debris and improving water clarity.

Key features:

• High-quality media: Made with 100% polyester Reemay material that balances dirt-holding capacity, cleanability, and durability with excellent chemical resistance.
• Optimal filtration: The uniform pleat folds are designed to maximize water flow and minimize pressure loss, allowing the full surface to hold more debris.
• Easy maintenance: The cartridge is washable and reusable, and its smooth surface makes cleaning simple, which helps extend its service life.
• Durable construction: It is built with durable end caps that resist damage from chemicals.

Compatibility:

The Unicel 5CH-37 is compatible with various hot tub and spa systems and is a direct replacement for other manufacturer parts.

Unicel 5CH-37 replaces:

• Watkins: 303279, 78460
• Pleatco: PFF42TC-P4
• Filbur: FC-2402
• Lifesmart: ACT-50SQFLTR, LSX1057
• Watkins: 303279, 78460
• Watkins: ACT-50SQFLTR

This filter is compatible with spas from brands including:

• Aquaterra Spas
• Hot Springs Spas
• Lifesmart Spas
• FreeFlow Spas

Specifications:

• Outside Diameter: 5 5/16 inches
• Length: 9 inches
• Top End Cap: Bar handle
• Bottom End Cap: 1 1/2-inch Male Thread (MPT)
• Pleat Count: 221
• Filter Area: 37.5 square feet