This spa replacement filter cartridge and hot tube filter - 50 sq. ft., 4 15/16" OD has a 2 1/8" Open Hole Top, a 2 1/8" Open Hole Bottom, and is 13 5/16" long. It is crafted of the highest quality materials, AK-3049, and engineered to be superior. With USA MADE REEMAY, the highest quality fabric that removes unwanted bacteria and contaminants, keeping your water crystal clean.
Our Pool and Spa Replacement Filter Cartridges meet or exceed OEM specifications. They install easily, and begin working to clean water immediately. Once you have tried our filters, you will see how they filter out more debris than the other brands, and out last other brands.
- Guaranteed Perfect Fit
- Filters Bacteria & Contaminants
- Eco Friendly Filter Cartridge
- Extremely Durable - Wash & Reuse
- Withstands High Pressures & Temperatures
- Energy Efficient
- Easy Installation
Hint: keep an extra filter on hand so that when its time to clean your filter, you will be able to replace it immediately with the back-up. This will allow you the time to leisurely deep clean your dirty filter and allow it to dry completely before replacing it; and without any down time on your pool or spa system.
- Additional Information
Best For 35 sq. ft. In-Line Filter for Dynamic Series I RDC-25,I RDC-25S, Dynamic Series IV DFM, DFML, Dynamic Series II & III RTL/RCF-25, Replacement of Unicel C-4637, Pleatco PRB37-IN-4 Product Type Replacement Filter Cartridge Product Size Single Unit MPN AK-3049 Filbur Part # FC-2390 Pleatco Part # PRB50-IN Unicel Part # C-4950 Sta-Rite Part # No OEM # 17-2380, 817-5000, 6540-471, 100533, PRB 50IN, 03FIL1600 Outer Diameter 4 15/16" Length 13 5/16" Top End Cap Open Hole: 2 1/8" Bottom End Cap Open Hole: 2 1/8" Media Area (sq.ft.) 50 Supported Brands Aber Hot Tubs (Canada), Accent Spas, Acryx-Maax Spas, Acryx-Maax Spas (Canada), After Hours Spas, Alps Spas, American Spas, Apollo Spas, Aqua Mystic, Aqua Tech Spas, Aquatic Industries, Aquatic Industries, Aquiform-Infinity Spas, Arcadia Spas, Arctic Spas, Arizona Pacific, Artesian Spas, Associated Leisure Products, Baja Spas, Barefoot Spas, Beachcomber, Belize Spas, Blue Falls Manufacturing, Blue Pacific Spas, Blue Ridge Spas, Bullfrog Spas, Cal Spas, California Cooperage, Charisma Spas, Clipper Spas, Coast Mountain Spas (Canada), Coast Spas, Coast Spas (Canada), Coleman Spas, Columbia Spas, Crystal Waters Spas (Canada), Custom Molded Products, Diamante Spas, Diamond Back Spas, Discovery Spas, DM Industries, Dynasty Spas, Echo Series, Four Winds Spa, Freedom Spas, Gatsby Spas, GPM Industries, Great Lakes Home & Resort, Great Lakes Spas, Great Northern Engineering, Grecian Spas, H2O Spas, Haughs, Haven Spas, Hawkeye Spas, Heldor Spas, Honey Tubs , Hydro Spa, Icon Spas, Image spas, Infinity Spas of Tennessee, Islander Spas, J.E.M. Spas, Jacuzzi Brothers, Jacuzzi Premium, Jacuzzi Spa Division, Leisure Bay Spas, Lifestyle Spas, Maax Spas of Arizona, Majestic Industries, Marathon Spas, Midwest Spas, Millennium Spas, Moonwater Spas, Morgan Spas, Niagra Whirlpool, Northwest Spas, Orca Bay Spas, Pageant Spas, Pentair Pool Products, Pentair Pool Products - Rainbow Plastics Replacements, Phoenix Spas, QCA, Rising Dragon, River Valley Spas, Rubadub Tub, Safari Spas, Savannah Spas, Seahorse Spas, Sequoia Design, Sierra Spas, Signature Spas, Sonoma Spas, Southwest Spas, Spa Crest, Statewood Spas, Streamline Spas, Sun Coast Spas, Sun Ray Spas (Canada), Sun West Spas, Sunbelt Spas, Suncountry Spas, Sundance Spas, Sunrise Spas, Sunset Spas, Superior Spas, T. Bahama Spas, Tiara Spas, Tuff Spas, US Spas, US Tooling & Spa , Vita Spas, Warm Springs Spas, Waterway Plastics, Weslo Spas, Wind River Spas, Zone Spas Pleated Filter Cartridges Our Universal Pleated Filter Cartridges are washable, reusable, and durable. As a result, our filters last longer than other brands, and are more economical too. Our filters work hard for you by holding more dirt than other brands; and increased dirt holding capacity means cleaning your pool or spa less often. Our universal pleated filter cartridges are constructed of the highest quality non-woven polyester, with a durable polypropylene core to provide maximum strength. The ends are immersed in thermo setting vinyl plastisol that seals the end of each pleat uniting the components and forming a permanent bonded end cap, unlike cheap alternatives. This makes our universal pleated filter cartridges perfect for residential, commercial, and industrial pool and spa applications.Relish our comprehensive pool and spa collection that includes world-class filters and state-of-the-art pool, spa, and pond accessories at exclusive discount club prices. Please let us know if we don't have what you need, we CAN find it. Get Help We have listed all known part numbers associated with this product. Some part numbers may not be listed for old/discontinued items. Every filter on this site is different. If you aren’t sure if this is your filter, call 661-833-9600. We’re happy to help.
Customer Reviews 2 item(s)
- Outstanding Filter
- This spa filter outlasted the Pleatco filter that costs twice as much as poolfilters.biz . This is our second purchase here, and will continue to throw them our pool and spa supply ".biz". These filter replacements can be flushed and used over and over again. The quality is same as name brand.if your reading these reviews your all ready in the market for a filter replacement. Quit wasting time and order now. You'll be pleasantly surprised.
- new to the site
I assume this will replace my current filter. Price looks good!