Sentinel Filter - "08" & Prior - Arctic
$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...

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...

Arctic Pure Filter Restore
$11.99

Filter Restore's twin action is uniquely formulated not only to remove scale but to break down body oils, suntan lotion and grease that build up on the filter cartridge

Arctic Rescue Bag
$12.99

This filter works with any Arctic Spa equiped with the Active Skim Filtration.  It is standard on 2011 Arctic Spas and newer. 

Bag of Filters / Buy 4, get 1 Free ( Threaded Sentinel Filter)
$159.99

Threaded Filter for Arctic Spas Built between 2009 and 2019 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...

Bag of Filters / Buy 4, get 1 Free (Drop-in Sentinel Filter(pre-2009)) Arctic
$159.99

Drop in Style(non threaded) Replacement Disposable Filter Cartridge  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...

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...

Freeflow Filter - PFF50P4
$59.99

Freeflow Filter PFF50P4

FreeFlow Spa Filter - OEM
$64.99

OEM Filter for FreeFlow Spas.  50SF AHS Threaded

Marquis Celebrity Series Filter
$29.99

Marquis Celebrity Series Filter

Marquis E-Series Filter
$39.99

Marquis E-Series Filter

Marquis Signature Series Filter
$49.99

Marquis Signature Series Filter

Pleated Filter Short (Threaded)
$19.99

Pleated Filter Short (Threaded)

Pleated Threaded Filter (For Arctic Spas 2009-2019)
$59.99

This Filter can replaced the Arctic Sentinel Filter With Handle. Suggested to use if you are on Well Water, or prefer to clean your filters.

Progressive Filter Cartridge Single
$74.99

Progressive Filter Cartridge - Individual Progressive Filter Cartridge for Arctic Spa Custom Series Hot Tubs with serial numbers beginning with 20XXXXX.  For use with Custom Series Arctic Spas built in 2020 &...