50 sq. ft. Cartridge Filter Rainbow, Waterway, Custom Molded Products C-4950 FC-2390

• Diameter…………………………………4-15/16″
• Length……………………………………13-5/16″
• Top End Cap: id/config……………..2-1/8″ / open
• Bottom End Cap: id/config…………2-1/8″ / open

The cartridge is used on the following spas:

• Aber Hot Tubs (Canada), OEM P/N 03FIL1600
• Accent
• Acryx-Maax (Canada)
• Alps
• American
• Apollo
• Aqua Mystic
• Aqua Tech
• Aquiform-Infinity
• Arcadia
• Artesian
• Baja
• Beachcomber
• Belize
• Blue Falls Mfg. Ltd. (Canada)
• Blue Pacific
• Bullfrog
• Cal
• Charisma
• Clipper
• Coast Mountain (Canada)
• Coast (Canada)
• Coleman
• Columbia
• Crystal Waters (Canada)
• Custom Molded Products
  • Top Mount Skim, OEM P/N 25391
  • Top Load Pressure
  • EZ Twist Top Mount Skim, OEM P/N 25393
• Diamond Back
• Discovery
• Dynasty
• Four Winds Spa
• Freedom Spas
  • Note: Model dated after 1993.
• Gatsby Spas
• Great Lakes Home & Resort
• H2O Spas
• Haughs
• Haven Spas
• Hawkeye Spas
• Heldor Spas
• Honey Tubs
• Hydro Spa
• Icon
• Infinity Spas – TN
• Islander
• J.E.M.
• Jacuzzi Premium
  • J200, OEM P/N 373045
• Leisure Bay Spas
• Maax Spas of AZ
• Marathon
• Millennium
• Moonwater
• Morgan
• Northwest Spas
• Orca Bay Spas
• Pageant
• Pentair Pool Prod
  • Dynamic Series IV – DFM,DFML, OEM P/N R173434, 17-2380
• Phoenix Spas
• QCA
• River Valley Spas
• Rubadub Tub
• Safari Spas
• Seahorse Spas
• Sequoia Design
• Sierra Spas
• Signature
• Sonoma
• Southwest
• Spa Crest
• Spas Direct
• Streamline Spas
• Sun Coast
• Sun Ray Spas (Canada)
• Streamline
• Sunbelt
• Sundance Spas
  • OEM P/N 6540-471
• Sunrise
• Sunset
• Superior Spas
  • Avalon
• Tiara Spas
• Tuff Spa
• US Spas
• US Tooling & Spa
• Vita Spas
  • OEM P/N PRB 50IN
• Warm Springs Spa
• Waterway Plastics
  • Top load (in-line) 50 sq.ft., OEM P/N 817-5000
• Wind River Spas
• Zone Spas

Note: 50 sq.ft. C-4950 is an upgrade to 25 sq.ft. C-4326 and C-4625 cartridges.