Buy 4, Get 1 Free

Shop for filter bulk discounts at Arctic Spas! The Buy 4, Get 1 Free option makes it easy for you to buy a set of filters in bulk so you can replace your filter whenever it's needed. You save $36 or more when you purchase one of our Buy 4, Get 1 Free filter sets which is savings and convenience! We sell Silver Sentinel Micron filters and pleated cartridge filters for all Arctic Spas. If you would like to have your filters shipped out to you on an automatic schedule, check out our Automatic Filter Program.