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Hot Tub Filters & Replacement Spa Filters

  • X268532 Master Spas Filter Cartridge Eco Pur

    X268532

    X268532 Master Spas Filter Cartridge Eco Pur

    Original price was: $73.99.Current price is: $66.99.
    Brand: Add to cart
  • Upper Filter - 13' AquaSport

    3000-22

    Upper Filter – 13′ AquaSport

    $53.00
    Brand: Add to cart
  • 10-2950 Bullfrog® Filter Weir Assembly

    10-2950

    10-2950 Bullfrog® Filter Weir Assembly

    Original price was: $146.99.Current price is: $132.99.
    Brand: Add to cart
  • D1 Spa 75 Sq Ft Filter - 01561-02

    1561-02

    D1 Spa 75 Sq Ft Filter – 01561-02

    $68.00
    Brand: Add to cart
  • 10-00814 Bullfrog®  Flat Filter Simplicity™  M Series, Flat | 4-Pack

    10-00814

    10-00814 Bullfrog® Flat Filter Simplicity™ M Series, Flat | 4-Pack

    Original price was: $87.99.Current price is: $79.99.
    Brand: , Add to cart
  • X268548 Master Spas Filter Cartridge

    X268548

    X268548 Master Spas Filter Cartridge

    Original price was: $56.99.Current price is: $50.99.
    Brand: Add to cart
  • Filter Bleeder Assembly – Titanium - 6540-419

    6540-419

    Filter Bleeder Assembly – Titanium – 6540-419

    Original price was: $27.99.Current price is: $24.99.
    Brand: Add to cart
  • 25 Sq. Ft. Filter - 01561-04 (4CH-950DF)

    1561-04

    25 Sq. Ft. Filter – 01561-04 (4CH-950DF)

    $29.99
    Brand: Add to cart
  • Spa Berry / Elemental / Ellipse Filter - No Longer Avail

    01561-01

    Spa Berry / Elemental / Ellipse Filter – No Longer Avail

    Read more
  • X268546 Master Spas Top Access Outer Filter PMA-R1

    X268546

    X268546 Master Spas Top Access Outer Filter PMA-R1

    Original price was: $65.99.Current price is: $59.99.
    Brand: Add to cart
  • 10-00416 Bullfrog® Cartridge Filter

    10-00416

    10-00416 Bullfrog® Cartridge Filter

    Original price was: $114.99.Current price is: $103.99.
    Brand: Add to cart
  • 40506 Darlly® Spa Filter Cartridge

    C-4950DF

    40506 Darlly® Spa Filter Cartridge

    Original price was: $38.99.Current price is: $34.99.
    Brand: Add to cart
  • Rubber Plug – 5″ - 01521-12

    01521-12

    Rubber Plug – 5″ – 01521-12

    Original price was: $26.99.Current price is: $23.99.
    Brand: Add to cart
  • Filter Bleeder Assembly – White - 01510-276

    1510-276

    Filter Bleeder Assembly – White – 01510-276

    Original price was: $20.99.Current price is: $18.99.
    Brand: Read more
  • 36513HS HotSpring®Filter Standpipe Cap Gray 3.5"

    36513HS

    36513HS HotSpring®Filter Standpipe Cap Gray 3.5″

    Original price was: $7.99.Current price is: $6.99.
    Brand: Add to cart
  • 25 Sq. Ft. Filter - 01561-14

    1561-14

    25 Sq. Ft. Filter – 01561-14

    $45.00
    Brand: Add to cart
  • Activated Carbon Pre-Filter - WC-X10

    WC-X10

    Activated Carbon Pre-Filter – WC-X10

    Original price was: $81.99.Current price is: $73.99.
    Brand: Add to cart
  • X268045 Master Spas Eco Pur Filter H2X (uses X268532 + X268549)

    X268045 Master Spas Eco Pur Filter H2X (uses X268532 + X268549)

    Original price was: $137.99.Current price is: $124.99.
    Brand: Read more
  • 50 Sq. Ft. Filter - 01561-05

    1561-05

    50 Sq. Ft. Filter – 01561-05

    $55.00
    Brand: Add to cart
  • 80004-3 Watkins® Freshwater Salt System  3-Pack Cartridge

    80004-3

    80004-3 Watkins® Freshwater Salt System 3-Pack Cartridge

    Original price was: $329.99.Current price is: $299.99.
    Brand: , Add to cart
  • 10-00810 Bullfrog® Cartridge Filter

    10-00810

    10-00810 Bullfrog® Cartridge Filter

    Original price was: $111.99.Current price is: $100.99.
    Brand: Add to cart
  • Large Filter Cover – Silver - 01510-112

    1510-112

    Large Filter Cover – Silver – 01510-112

    Original price was: $65.00.Current price is: $56.00.
    Brand: Add to cart
  • X268543 MasterSpas® Twilight™

    X268543

    X268543 MasterSpas® Twilight™

    Original price was: $72.99.Current price is: $65.99.
    Brand: Add to cart
  • C-5601DF Darlly® 25 Sq Filter Cartridge

    C-5601DF

    C-5601DF Darlly® 25 Sq Filter Cartridge

    Original price was: $37.99.Current price is: $33.99.
    Brand: Add to cart

Showing 25–48 of 94 results

Why Replacement Hot Tub Filters Are Essential

Hot tub filters play a vital role in maintaining clean and sanitary water in your spa. By trapping dirt, debris, and bacteria, filters ensure your spa is always ready for a relaxing soak. 

Benefits of Using High-Quality Hot Tub Filters

  • Cleaner water: Filters for hot tubs remove debris, preventing dirt and bacteria from contaminating your water.
  • Longevity for your spa: A properly functioning filter in a hot tub can extend the life of your spa pump and heating systems.
  • Cost-effective: Investing in a durable hot tub filter replacement saves you money on repairs and replacements in the long run.

Types of Hot Tub Filters

Understanding the different types of filters helps you choose the right one for your spa:

Cartridge filters for spas: These popular cartridge filters use pleated paper or fabric to trap particles.

Ceramic hot tub filters: Known for their longevity and durability, ceramic filters offer a more robust alternative to standard cartridges.

Hot Tub sand filters: These systems filter hot tub water through sand, effectively removing debris.

Spa diatomaceous earth filters: Eco-friendly and efficient, these filters use natural materials to clean spa water.

Hot Tub Filters FAQ

How frequently should hot tub filters be replaced?

Ideally, you should replace your hot tub filter at least once a year. Spa filters collect debris and bacteria, which can compromise water quality if not replaced regularly. Cleaning your filter monthly can help extend its lifespan. 

A dirty hot tub filter can introduce debris and bacteria to your spa, creating an unsafe environment. If you want to make your tub last as long as possible, keeping your hot tub filter clean and using the proper hot tub chemicals is vital.

How do you clean hot tub filters?

Keeping your hot tub filter clean is crucial for maintaining water quality. Here’s how:

  1. Remove the filter from your hot tub carefully.
  2. Spray the filter with a garden hose to remove debris. Do this monthly.
  3. Gently scrub the filter using a sponge and mild detergent.
  4. Rinse the filter thoroughly to avoid introducing detergent into your hot tub.

Regular cleaning helps prevent dirt buildup, prolonging the life of your hot tub filter and ensuring your spa stays clean.

How do I find the right hot tub filter?

To find the right hot tub filter cartridge:

  • Check for a model number on the existing filter.
  • If no number is present, measure the filter’s length and width.

Our team can help you find the perfect filter for your spa.

Can I reuse a filter for my hot tub?

Yes, hot tub filters can often be reused with proper cleaning. Monthly maintenance is essential to prevent buildup and extend the life of your filter. However, even with regular cleaning, all filters eventually need to be replaced.