Keep your spa or hot tub water sparkling clean with the Filbur FC-2390-F Replacement Filter Cartridge (UPC: 645544023902). This high-performance 50 sq. ft. cartridge is a premium replacement for the widely used Rainbow Dynamic 50, Pentair R172380, and Unicel C-4950 series. Designed with Reemay® spunbond polyester filtration media, the FC-2390-F offers superior dirt-holding capacity and durability for both residential and commercial applications.
Key Features & Benefits:
Precision OEM Fit: Engineered to match the exact specifications of major spa manufacturers, ensuring a perfect seal and optimal hydraulic flow.
Advanced Filtration Fabric: Utilizes high-quality, 3 oz. polyester media with sharp, deep pleat folds to maximize surface area and capture fine debris, oils, and contaminants.
Structural Integrity: Built with a reinforced PVC center core to prevent collapse under high-pressure conditions and provide consistent water distribution.
Antimicrobial End Caps: Features high-impact, reinforced end caps that resist chemical degradation and inhibit the growth of odor-causing bacteria and mold.
Easy Maintenance: Designed to be washable and reusable, reducing the frequency of replacements and overall maintenance costs.
Specifications:
Outside Diameter: 4-15/16″
Length: 13-5/16″
Top Style: 2-1/8″ Open
Bottom Style: 2-1/8″ Open
Filtration Area: 50 sq. ft.
Media Weight: 3 oz.
Compatibility Cross-Reference:
Unicel: C-4950, C-4950RA
Pleatco: PRB50-IN, PRB50-IN-M
Pentair / Rainbow: R172380, 17-2380, 817-5000 (Waterway Plastics), Dynamic 50
Aladdin: 15002
Excel Filters: XLS-408
Jacuzzi: 373045
