25 Sq Ft' Filter C-4326
$37.99

FITS: C4326 UNICEL C-4625 SPA FILTER FC237 PLEATCO PRB25 Single Pack Cartridge 25 sq ft Bottom Opening: 2 - 1/8" -Top Opening: 2 - 1/8" -Outside Diameter: 4 - 15/16" (Also replaces 5") -Length: 13 - 5/16" -REMAY...

50 Sq Ft' Filter C-4950
$59.99

This filter type has holes/openings on both ends.  “Easy install, cleans great!”  All quality cartridge filters use white, spunbonded 100% polyester Reemay brand filter media or paper.  Reemay is...

Filbur FC-0359 -45 SQ FT' Pleated Filter Replaces 6 CH-940 (Coyote Spas)
$64.99

The Filbur FC-0359 Pool and Spa Filter replaces the following models: Cyanna Valley Spas (Viking) PWW50 Waterway 50 Unicel 6CH-940 Pleatco PWW50P3 Aladdin 14510 The Filbur FC-0359 Pool & Spa...

Sentinel Filter - Short - No Handle
$19.99

Sentinel Short Filter - No Handle - For use with Marmot and Mesa Models

Sentinel Filter With Handle - 2009 & up
$39.99

Not all hot tub filters are the same! Using an inferior filter wastes time and money. You do not have to waste time cleaning foul-looking filters and you do not need to waste money buying filter cleaning chemicals. New...

Silver Sentinal Threaded Base (Coyote Spas)
$39.99

Silver Sentinel Threaded Filter (Coyote)

Special - 3 x Silver Sentinel Drop-In Filter(Pre-2009 Arctics)
$99.99

3 Filter Special These are a maintenance free and "recyclable" filter that are used in spas built prior to 2009. You should order these filters if you have an Arctic or Coyote spa with a"floating weir" type filter in...

Special - 3 x Silver Sentinel Threaded Filter(2009-2019)
$99.99

3 Filter Special.  These are a maintenance free and "recyclable" filter that are used in Arctic Spas spas built in 2009 to 2019. You should order these filters if you have an Arctic or Coyote spa with a filter...