Spa Hot Tub Filter RD50 PRB50IN FC2390 C4950 40506 8510 SPA1004.

Manufacturers ReferencesFilter ManufacturerTheir ReferencePleatco ReferencePRB50INFilbur ReferenceFC-2390Unicel ReferenceC-4950Great Barrier Filter Reference8510Darlly Reference40506 Manufactured in the UK, this filter is a replacement for the filter models shown above Always compare the dimensions of your filter against the dimensions shown in the drawing.This is a very common filter that should fit :Arctic SpasAqua SpasApollo SpasArtisianBeachcomberCal SpasCanadian SpasCoast SpasColeman SpasCoyote SpasDiamond SpasFreedom SpasGreat Lake SpasHollywood SpasHydro pool SpasHydrospaJacuzzi J200 seriesSignature SpasSouthwest SpasSpa CrestSun Ray SpasSunrise SpasUS SpasAber, Accent Spas, Acryx-Maax Spas, Infinity Spas, Savannah/Statewood Spas, Affordable Spas, Alps Spas, American Spas, Apollo Spas, Aqua Mystic, Aqua Spas, Aqua Tech, Aquaform-Infinity, Aquatic Industries, Diamond Spas, Arizona Pacific, Aruba Spas, Associated Leisure Products, Atera, Atlantic Pool - Pelican Pools, Baja Spas, Belize Spas, Blue Falls, Blue Pacific, Caldera Spas, Charisma Spas, Clipper Spas, Coast Mountain Spas, Coleman Spas - California Cooperage, Columbia Spas, Coral Spas, Crystal Waters, Dakota Spas, DFA - Diamond Back, Discovery Spas, Grecian, Beachcraft, Lifestyle - Ahtria Inc., Elite Spas, FPI, GPM Industries - Great Lakes Spas - Shoreline Leisure Products, Great Northern Spas - Opus Spas, Grecian Spas, Haughs, Haven Spas, Hawkeye Spas, Barefoot Spas, Heldor Spas, Holiday Springs (Home Depot), Honey Tubs, Hydropool Industries , Hydrowave Spas, Hytec Spas, Icon Health & Fitness - Image, Proform, Weslo, Daybreak - Weider Hot Tub, Islander Spas, J E M Spas - Majestic Industries, Leisure Bay - Recreational Warehouse, Lifesprings Spas, Maax Spas (Canada), Marathon Spas, Millennium Spas, Moonwater Spas, Morgan Spas, Mountain: Spring, Mist, Meadow, Stream, Niagara Whirlpool - Haugh's, Northwest Spas, Orca Bay Spas, Orion Spas, Pageant Spas, Paradise Spas, Phoenix Spas, Polar Spas, Polynesian Spas, QCA Spas, Rainbow, River Valley Spas, Rubadub Tub, Safari Spas, Seahorse Spas, Secard Spas, Sequoia Design, Sierra Spas - Southwest Spas ,Signature Sonoma, Phoenician, Spa Crest, Spas Direct, Streamline, Sun Country, Sunbelt, Sunset, Suntub, Superior Spas - Spas West, Tiara Spas, Watkins, Tropical Spas, Tsunami Spas, Turbo Spas, United Spas, US Tooling & Spas - Diamonte - Starlight, Warm Springs Spa, Waterway, Wind River Spas.