Hot Tub Filters - Unicel Filter Cartridges

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FILTER CARTRIDGE 36 SQ FTx 8in ODx 6-3/4in Hx 102mm

Upgrade your filtration efficiency with this 36 sq. ft. cartridge, designed for effective debris capture and easy maintenance. It's a great fit for standard systems.
$15.84

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FILTER CARTRIDGE 23 SQ FTx 4-15/16in ODx 9-1/4in Hx 54mm

Ensure crystal-clear water with this 23 square foot filter cartridge. Designed to capture debris efficiently, it enhances your spa's filtration system.
$9.06

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35SF CARTRIDGE, 4-15/16" X 9-1/4" W/SAE THREAD

Upgrade your filtration system with this 35SF cartridge, perfect for maintaining clear, clean water. Its reliable design ensures ease of maintenance and fits most standard systems.
$92.04

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FILTER CARTRIDGE 75 SQ FTx 5"ODx 14.5"Hx 2" IDx OPEN ENDS

This reliable 75 sq. ft. filter cartridge is designed for easy installation and effective filtration, ensuring crystal-clear water for your spa.
$54.21

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FILTER CARTRIDGE 43 SQ FTx 6in ODx 13-7/16in Hx 1 1/2" MPT

Achieve crystal-clear water with this 43 sq ft filter cartridge. Its easy setup and effective filtration enhance your spa experience significantly.
$15.50

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FILTER CARTRIDGE 40 SQ FTx 4-15/16in ODx 13-5/16in Hx 54mm

Elevate your water quality with this reliable filter cartridge, designed for effective debris filtration. A must-have for maintaining spa enjoyment.
$10.64

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FILTER CARTRIDGE 15 SQ FTx 4-15/16in ODx 6-5/8in Hx 55mm

Enhance your water clarity with this dependable filter cartridge, ideal for moderate usage in smaller pools or spas.
$7.02

Details

FLTR CART 25 SF, IN-LINE,TOP LOAD,TOP MNT

Ensure optimal water quality with this top-loading 25SF in-line filter cartridge. It's designed for effective filtration and easy maintenance, perfect for spa and pool settings.
$99.66

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FILTER CARTRIDGE 74 SQ FTx 8in ODx 13in Hx 2" male slip

Maximize your pool or spa's filtration with this 74 sq. ft. cartridge. Designed for superior debris capture, it promotes clear and clean water for a refreshing experience.
$23.26

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FILTER CARTRIDGE 41 SQ FTx 6in ODx 9-1/8in Hx 1 1/2" MPT

This 41 sq ft filter cartridge ensures excellent filtration for your spa. Designed for efficiency, it facilitates easy replacement and consistent water clarity.
$14.40

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FILTER CARTRIDGE 119 SQ FTx 8in ODx 18in Hx 2" MPT

Maximize your water quality with this 119 square foot filter cartridge. Its large design captures debris effectively for a refreshing soak.
$38.35 $59.00
35% OFF!

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FILTER CARTRIDGE 30 SQ FTx 8in ODx 6in Hx 2" SAE

This 30 square foot filter cartridge ensures your spa water stays clear and clean. Designed to effectively capture debris for a better soak.
$18.40

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