Most Popular Filter Cartridges
Replace dirty or worn Top Brand hot tub filter cartridges to maintain clean, healthy spa water. Regular filter replacement is essential for water clarity and protecting your spa equipment. Our Top Brand filter cartridges match OEM specifications for proper fit and filtration performance. We offer competitive international shipping rates to buyers worldwide.
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Oval Filter, Core and Standpipe with Valve, Fits Dream Maker Spas
HTPOFAmerica
MSRP: $49.99$34.99This Filter Core and Standpipe with Valve is made specifically for Oval Shaped Filter Cartridge that is 6-1/4" Outside Diameter on the Widest Part of the Oval x 9-3/4" in Length.MSRP: $49.99$34.99 -
Filter, Cartridge, 50sqft, 2"female SAE Thread, 4-15/16", 13-1/2", Fits Some Dynasty Bahama Tubs
HTPOFAmerica
MSRP: $84.99$64.99This filter is 13 1/2" X 4 15/16" and has a female SAE Large Thick Thread that is 2" which would really measure about 2 1/4-2 3/8" ID. This filter is found in Dynasty Bahama Tubs and others. Note: The version of this filter can vary but they are all the...MSRP: $84.99$64.99 -
Jazzi Spa Replacement Filter Cartridge 17sqft 2"mpt 5-5/8" x 6-13/16" Closed Top J-300 J-400 Series
HTPOFAmerica
MSRP: $37.99$31.99Designed for Jacuzzi Premium Hot Tub J-300 and J-400 Series models, this replacement filter cartridge measures 15 1/2" in height with a 6 5/8" circumference. The unit features a 2" SAE thick thread configuration with an inside diameter just under 2" and...MSRP: $37.99$31.99 -
100 Sq Ft Spa Filter Cartridge 17 13/16" x 6-9/16" 2 3/8" Opening H2O Four Winds Waterway
HTPOFAmerica
MSRP: $143.99$103.99Global offers this 100 Square Foot Replacement Filter Cartridge measuring 17 13/16" in Height x 6-9/16" in Diameter with 2 3/8" Openings on Top and Bottom designed for compatibility with H2O Spas, Four Winds Swim Spas, Waterway systems, and numerous...MSRP: $143.99$103.99 -
40 sq ft Spa Filter for AquaTerra & Freeflow | 5-3/8"W x 9-5/8"H | 1-1/2" MPT | String Handle
HTPOFAmerica
MSRP: $59.99$49.99This replacement spa filter cartridge works with select AquaTerra and Freeflow Spas models, delivering 40 square feet of filtration capacity. The cartridge measures 5-3/8" in outside diameter and 9-1/2" in overall length, equipped with a 1-1/2"...MSRP: $59.99$49.99 -
Catalina 40sqft Filter Cartridge 6" x 8-1/4" 1-1/2" SAE Thread Front Load Skim Filter Replacement
HTPOFAmerica
MSRP: $55.83$44.99Replacement filter cartridge designed for Catalina Hot Tubs with front access skim filter housings. This 40 square foot filtration cartridge measures 6" in outside diameter and 8-1/4" in total length. Features a robust 1-1/2" SAE threaded connection at...MSRP: $55.83$44.99 -
40 sq ft Spa Filter Cartridge for Viking & Destiny River - 6" x 8-1/4" with 1-1/2" SAE Thread
HTPOFAmerica
MSRP: $55.83$44.99Replacement filter cartridge engineered for select Viking and Destiny River hot tub models. This 40 square foot filtration cartridge features precise dimensions of 6" outer diameter and 8-1/4" height. Equipped with a 1-1/2" SAE threaded connection on the...MSRP: $55.83$44.99 -
Artesian Resort Series Spa Filter Cartridge 6 sqft 2" MPT 6"W x 7"H 1-7/8" Top Opening
HTPOFAmerica
MSRP: $51.99$41.99Replacement filter cartridge designed specifically for Artesian Resort Series hot tubs. This 6 square foot filtration element features 2" male pipe threading for secure installation and measures 6" in diameter by 7" in height with a 1-7/8" top opening...MSRP: $51.99$41.99 -
Dynasty Spa Filter Cartridge 40sqft 6" x 8-1/4" 1-1/2" SAE Thread Front Load Compatible
HTPOFAmerica
MSRP: $55.83$44.99Replacement 40 square foot filter cartridge designed for Dynasty Hot Tub systems with front-access filter housings. This cartridge measures 6" in outside diameter and 8-1/4" in total length, featuring a 1-1/2" SAE threaded connection at the bottom. The...MSRP: $55.83$44.99 -
40sqft Cartridge Filter 9-1/4"x6" 2" MPT Master Spa Twilight & Legend Series Replacement
HTPOFAmerica
MSRP: $57.99$49.99Global offers this 40 square foot replacement cartridge filter measuring 9 1/4 inches tall by 6 inches wide with 2 inch MPT threading, engineered specifically for newer Master Spa Legend and Twilight Series hot tubs as an updated alternative to earlier...MSRP: $57.99$49.99 -
D1 Spas Butterfly Twist Lock Filter Screen Holder Post-2000 Y2K Models
HTPOFAmerica
MSRP: $16.99$11.99This Butterfly Twist Lock Style Filter Screen Holder is designed for select Dimension One and At Home spa models manufactured after 2000. Compatible with 10 1/2" Tall x 7 1/8" Wide filter cartridges featuring a closed top with castle tabs and butterfly...MSRP: $16.99$11.99