- Compatibility: The 303279 hot tub filter is designed to fit multiple brands, including Watkins 303279, 78460, Pleatco PFF42TC-P4, Filbur FC-2402, and more. It effectively replaces various spa filters such as ACT-50SQFLTR, LSX1057, and Fantasy hot tub filters. Please note that this is a compatible spare part. Manufacturer names and part numbers are for reference only. - Specifications: - Length: 9 3/8 inches - Outside Diameter: 5 1/4 inches - Top: Closed with String Handle - Bottom: 1 1/2 inch MPT Thread - Filtration Area: 42 square feet - Robust Construction: Crafted from durable materials, this spa filter is built to endure extended use, providing you with reliable performance that you can count on. - Effective Filtration: Featuring advanced Trilobal Filtration Fabric, this filter efficiently captures dirt, debris, and contaminants, ensuring clean and clear spa water for optimal enjoyment. - Practical Applications: - Ideal for maintaining water clarity in residential spas for family relaxation. - Perfect for use in rental properties or vacation homes with hot tubs to ensure a pleasant experience for guests. - Essential for regular maintenance of aquatic therapy or wellness spas, promoting a healthier bathing environment. Invest in the 303279 hot tub filter to enhance your spa experience with superior filtration and compatibility.