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Unicel UNICEL C-4401 Pentair/Rainbow/Waterway pool filter replacement cartridge - set of 2 UNICEL C-4401 Pentair/Rainbow/Waterway pool filter.. Product #: c-4401 Regular price: $29.69 $29.69

UNICEL C-4401 Pentair/Rainbow/Waterway pool filter replacement cartridge - set of 2

Brand: Unicel
Product Code: c-4401
Weight: 1.71lb


Unicel C-4401 for
Pentair/Rainbow Dynamic Series IV - Model DSF
Waterway Skim filter
NOTE:  This is a set of 2 filter cartridges

replaces Rainbow OEM filter 17-2606 (172606)
replaces Pentair OEM filter R173432
replaces Waterway OEM filter 817-3510 (8173510)

Both ends open w/lip seal and 2-1/8" inside diameter


Sq. Ft.



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Additional Information:
Maintain your water clarity and keep your water clean with a Unicel replacement filter element.  Unicel as well as the OEM filter company's use a spunbonded, 100 percent polyester material called Reemay as their filter medium.  Reemay filter fabric is an FDA approved material for milk filtration and is a white material.  Some low end manufacturers are using a yellowish material to reduce costs; this is also reducing quality and durability.  The Unicel replacement filter elements are designed to the performance standards of the original filter manufacturer.  To maximize the life of your filter cartridges and to save on shipping it is recommended to purchase two filters and alternate two sets of cartridges when cleaning.