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4 15/16"
13 5/16"
In Stock
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  • Bottom Cap:

    Open Hole: 2 1/8"

  • Top Cap:

    Open Hole: 2 1/8"


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Product Highlights

This Replacement Filter Cartridge replaces Unicel # 4625, Filbur # FC-2370 and OEM # 17-2325. It bears the top load of 25 sq ft and provides you neat and clean water for your Pentair Pool Products-Rainbow Pl, Waterway Plastics, Heldor Spas. Hydro Pool Industries, Haughs, Serenity spas, J.E.M. Spas, Niagara Whirlpool, Warm Spring Spas, Sequoia Design, Associated Leisure Products, Esther Willams, Blue Pacific, Alps Spas, Aries Spas, etc. This both side open through 2 1/8 holes is 13 5/16 inch long and 4 15/16 inch wide. It is an excellent quality replacement filter is very easy to replace.

Interchangeable Part Numbers





Customer Reviews

  1. Satisfied with Unicel-c-5374 ,5/2/15
    By Joseph

    Finally, I got Unicel-c-5374 replacement cartridge here, I found it so many online websites but the product is whether sold out or not matching my requirement, but after visiting here I found relevant filter cartridge that I was fed up for replacing.

  2. Unicel C-4625 is my preferred choice ,5/2/15
    By David Miller

    Unicel C-4625 is the compatible filter cartridge and replacement of my OEM # 17-2325 product. Thanks for providing the high quality product on best price.

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