Hint: You can sometimes find replacement numbers stamped on your filter end cap.

Find-My-Spa-Filter Method ONE:
Order-by-Number

If you already know a replacement number for your spa filter cartridge, please:

OLD OR DIRTY HOT TUB FILTERS ARE THE #1 REASON FOR SERVICE CALLS.

Hot Tub Works recommends that you change your spa filter at least one time a year! A fresh hot tub filter helps protect your health AND your pocketbook. Who wants to buy replacement spa parts when that money could be saved (or, better yet, spent on fun hot tub accessories?). Dirty hot tub filters can even void your warranty. So, it pays to check your spa filter once or twice monthly.

If your spa filter is more than two years old, you should toss it no matter how it may look. This is because your hot tub filter is made of a fibrous material that gradually loosens over time creating ever-larger spaces for particles to push through and gunk up your pump. It pays to be ruthless on this one. Hot tub pumps are way more expensive than spa filters. Consider it a law: two years and it's hasta la vista, baby!

This method will most likely lead to multiple results from which you can compare filters.

Find-My-Spa-Filter Method TWO:
The "Where's Waldo?" Method

If you are somewhat familiar with your hot tub filter, you can take a shot at identifying it within a small crowd of spa filters within your spa brand family (examples: Sundance spa filters, Hot Spring Spa Filters, Jacuzzi Spa Filters, etc.) Simply:

Please measure carefully but be aware that filter sizing can vary slightly. Click here for tips on how to measure your spa filter.

Find-My-Spa-Filter Method THREE:
The Sure Thing

The surest way to identify your spa filter is to remove, inspect and measure your existing filter.

• Read general information on removing and inspecting your hot tub filter.
  
  
• PRINT THE FIND-MY-SPA-FILTER FORM (PDF) featuring tips on how to measure your spa filter. Then, take the form with you to your spa (so you don't get that wet, slimy spa filter anywhere near your computer)!

1. Select the name of your spa manufacturer from one of the drop down menus below.

Manufacturers A - L Aber Hot Tub Accent Spas Acryx-Maax Spas     Infinity Spas     Savannah/Statewood Spas Addison Spas Advanced Spa Design Advantage Electric Adventure Spas Affordable Spas Alcove Alps Spas American Classic Spas American Dream American Products American Spas Amish Country Apollo Spas Aqua Care Aqua Leisure Aqua Mystic Aqua Spas Aqua Tech Spas Aquatemp Aquaform-Infinity Aquatic Industries, Diamond Spas Arctic Spas Aries Arizona Pacific Artesian Spas Aruba Spas Associated Leisure Products Atera Atlantic Pool - Pelican Pools Avalon Spas Baja Spas BeachcomberSpas Beachport Spas Belize Spas Blue Falls Blue Pacific Blue Ridge, Lowes Bullfrog Spas Cal Spas Caldera Spas Canspa Caribbean Spas Cascade Spas Catalina Spas Charisma Spas Clearwater Spas Clipper Spas Coast Mountain Spas Coast Spas Coleco / SLM / Buddy-L / Empire Coleman Spas     California Cooperage Columbia Spas Comfort Line Spas Continental Leisure Conway Spas Coral Spas Crystal Waters Spas CTA Spas Curtis Plastics - Curtis Spas Cygnus Spas Dakota Spas Del Sol Spas DFA     Arizona Pacific     Diamond Back Diamond Spas Dimension One     @Home Hot Tubs Discovery Spas     Grecian Spas     Beachcraft     Lifestyle     Ahtria Inc Dolphin Spas Down East Dream Maker Spas     X-Spa     X-Calibur     X-Spadition     X-Stream Dynasty Spas Elite Spas Emerald Spas Emerald Spas, Cygnus Spas Encon Spas Esther Williams Florida Whirlpool Foundation Valley Fountain Valley Four Seasons FPI Freedom Spas Freeflo Spas Ft Wayne Spas - Master Spas Garden Leisure Gatsby Spas Gerico Spas Goldkey GPM Industries     Great Lakes Spas     Shoreline Leisure Products Great Northern Spas - Opus Spas Grecian Spas Gulf Coast Spas Hallmark Spas Harmsco Spas Haughs Haven Spas Hawkeye Spas, Barefoot Spas Hayward Heartland Spas Heldor Spas Holiday Springs (Home Depot) Hollibaugh Spas Honey Tubs Hot Spot Spas Hot Springs Spas Hydro Spa - After Hours Spas Hydro Spas Hydropool Industries     Serenity Spas Hydrowave Spas Hytec Spas Icon Health & Fitness     Image     Proform     Weslo     Daybreak - Weider Hot Tub     Icon Spas Imperial Spas Islander Spas J E M Spas - Majestic Industries Jacuzzi Whirlpool Bath     Jacuzzi Brothers     Jacuzzi Leisure     Jacuzzi Premium Jason International Jetta Spas Keyes Spas LA Spas Legend Spas Leisure Bay Spas     Recreational Warehouse Leisure Life Lifesprings Spas Lifestyle Spas (Canada)

OR

Manufacturers M - Z Maax Spas (Canada) Mantle Marathon Spas Marlin Marquis Spas Martec - Sonfarrel Master Spas Millennium Spas Moonwater Spas Moose Mountain Spas Morgan Spas Mountain Meadows Spa Mountain Mist Spa Mountain Springs Spa Mountain Stream Spa Nemco     AJ Spas     Crown Portable     Regal Spas Newport Spas Niagara Whirlpool - Haugh's Nordic Hot Tubs Northwest Spas Olympic Spas Onyx (Aquatemp)     Advantage Electric Orca Bay Spas Orion Spas Pacific Marquis - Marquis Spas Pacific Spas - Aber Hot Tubs Pageant Spas Paradise Spas PDC Spas Pentair Spas Phoenician Spas Phoenix Spas Polar Spas Polynesian Spas Premier Springwater QCA Spas Quality Acrylic Spas Quantum X-Spas     Dream Maker X-Spas Rainbow Ramco Evolution Regency Spas Resort Spas River Valley Spas Rogers Spas Romanesque Spas Royal Spas Rubadub Tub Safari Spas Santa Barbara Spas Santana Saratoga Spas Seahorse Spas Seascape Spas Secard Spas Sedona Spas Sensation Spas Sequoia Design Seven Seas Spas Sierra Spas - Southwest Spas Signature Spas Smartub SofSpa Softsider Spas Softub Solana Spas Sonoma Spas, Phoenician Spas Spa Crest Spa Manufacturers Inc. Spa-in-a-Box Spas Direct Spillway Splashtub Sta-Rite Streamline Spas Sun Country Spas Sun Ray Spas Sun Spas Sunbelt Spas Sundance Spas - Sweetwater Spas Sunrise Spas Sunset Spas Suntub Superior Spas - Spas West Thermo Spas Tiara Spas Tiger River Tropical Spas Tsunami Spas Tundra Turbo Master Spas United Spas US Spas US Tooling & Spas     Diamante Spas     Starlight Spas Viking Spas Vita Spas     Hercules Spas     Voyager Spa (DM Industries) Warm Springs Spa Waters Edge Spas Waterway Waterworks Watkins Wild Water Spas Wind River Spas

2. Find the image below that best matches each end cap of your spa filter.

Keep in mind:
A. Some end caps look similar. Choose carefully.
B. Inner hole diameter sizes on actual filters vary widely from the photographs below.

1. Open
End

2. Closed
End

3. Closed End with
String Handle

4. Castle
End

5. Step
End

6. Handle End

7. End Cap w/Slots

8. Male Slip Fitting

9. Male Threaded Fitting

10. SAE
Threading

Choose End Cap Shape 1 1. Open End (hole diameter varies) 2. Closed End 3. Closed End w/String Handle 4. Castle End 5. Step End 6. Handle End (handle shape varies) 7. End Cap w/Slots 8. Male Slip Fitting (no threads) 9. Male Threaded Fitting (skinny threads) 10. SAE Threading (fat threads) Choose End Cap Shape 2 1. Open End (hole diameter varies) 2. Closed End 3. Closed End w/String Handle 4. Castle End 5. Step End 6. Handle End (handle shape varies) 7. End Cap w/Slots 8. Male Slip Fitting (no threads) 9. Male Threaded Fitting (skinny threads) 10. SAE Threading (fat threads)

4. If you know it, enter your spa filter's overall diameter.

Keep in mind:
Diameter measurements can vary slightly. If you enter a diameter, and get unsatisfactory search results the first time, change the diameter measurement up or down slightly between filters.

Overall Diameter: 1 2 3 4 5 6 7 8 9 0 1/16 1/8 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8 15/16

5. Click Find-My-Filter