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...

AquaFinesse Filter Cleaner
$26.99

Hot Tub Filter Cleaner Tablets Filter Cleaner tablets help keep filters working at their optimal level. Cleans cartridge filters in a fraction of the time it takes conventional cleaners.No overnight soaking required...

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 ( Sentinel "09" to Present) Arctic
$159.99

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...

Bag of Filters / Buy 4, get 1 Free (Sentinel "08" & Prior) Arctic
$159.99

Replacement Disposible Filter Cartridge for 50 Square Foot Rainbow, Waterway Plastics, Custom Molded Products Not all hot tub filters are the same! Using an inferior filter wastes time and money. You do not have to waste...

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

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)
$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.

Sentinel Filter - Short - No Handle
$19.99

Sentinel Short Filter - No Handle