This filter is this most popular size and fits 70% of all tubs it is a 50 Square Foot Filter Cartridge that is 4-15/16" Outside Diameter x 13-5/16" in Length. It has a hole in the top and the bottom that are 2 1/8".
Don't just order this filter though be sure it is the correct size for your tub.
We also offer the 25 sqft version of this filter and it can be found here: Filter Most Popular Size 25sqft 13-5/16" Tall X 4-15/16" Wide (2) 2 1/8" Holes FC-2375 PRB-25-IN C-4326
| Application | Aber Hottub, Accent Spas, After Hours Spas (Hydro), Alps Spas, American Spas, Apollo Spas, Aqua Mystic, Aqua Tech Spas, Aquiform/Infinity, Arcadia Spas, Arctic Spas, Arizona Pacific (DFA), Artesian Spas (Coleman), Baja Spas, Barefoot Spas, Beachcomber, Beachcraft Spas, Belize Spas, Blue Falls (Canada), Blue Pacific, Bullfrog Spas, Cal Spas, Charisma Spas, Clipper Spas, Coast Mountain Spas (Canada), Coast Spas (Canada), Coleman Spas (Maax), Crystal Waters Spas (Canada), Custom Molded Products, DFA/Arizona Pacific, Diamante Spas (US Tooling), Diamond Back Spas, Diamond Spas, Discovery Spas, DM Industries/Vita Spas, Dynasty Spas, Freedom Spas, Gatsby Spas, GPM Industries, Great Lakes Spas, Great Northern Engineering, Grecian Spas, Haughs/Niagara Whirlpool, Hawkeye Spas, Heldor Spas, Hydro Pool, Hydro Spa, Icon Health & Spas, Infinity Spas, J.E.M. Spas, Lifestyle Spas (Canada), Maax Spas, Maax Spas/Coleman, Maax Spas/Statewood Spas, Marathon Spas, Millennium Spas, Moonwater Spas, Morgan Spas, Niagara Whirlpool (Haughs), Northwest Spas, Orca Bay Spas, Pageant Spas, Phoenix Spas, QCA, Rainbow/Pentair, River Valley Spas, Rubadub Tub, Safari Spas, Savannah Spas, Seahorse Spas, Sequoia Design, Signature Spas, Sonoma Spas, Southwest Spas, Spa Crest, Starlight Spas (US Tooling), Statewood Spas (Maax Spas), Streamline Spas, Sun Ray Spas, Sunbelt Spas, Suncountry Spas, Sundance Spas, Sunrise Spas (Canada), Sunset Spas, Superior Spas, Thermo Spas, Tiara Spas, US Spas, US Tooling & Spa, US Tooling/Diamante Spas, US Tooling/Starlight Spas, Vita Spas (DM Industries), Warm Springs Spas, Waterway, Wild River Spas, Wind River Spas |
| Bottom Physical Dimension | 2-1/8" |
| Bottom Style | Open |
| Diameter | 4-15/16" |
| Length | 13-5/16" |
| Media Type | 3oz |
| Model | Dynamic Series 50sqft, Dynamic Series 50sqft after 1993, Ultra Skim Filter 50sqft |
| Square Footage | 50 sq ft |
| Top Physical Dimension | 2-1/8" |
| Top Style | Open |
