Hot Tub Filters - Unicel Filter Cartridges

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FILTER CARTRIDGE 15 SQ FTx 4-5/8in ODx 8in Hx 1 1/2" MPT

This high-efficiency filter cartridge ensures optimal water clarity and cleanliness for your spa. Designed for durability, it's an essential part of your filtration system.
$8.32

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FILTER CARTRIDGE 37 SQ FTx 6in ODx 8-1/4in Hx 1 1/2" SAE

This 37 sq ft filter cartridge ensures optimal filtration performance. Designed for straightforward setup, it enhances your spa's water quality effortlessly.
$12.66

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FILTER CARTRIDGE 37 SQ FTx 6-3/4in ODx 7-3/4in Hx 2" MPT

Upgrade your filtration system with this efficient 37 sq ft filter cartridge. It offers improved debris capture and water clarity for your spa or pool.
$11.76

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FILTER CARTRIDGE 42 SQ FTx 7in ODx 11-13/16in Hx 77mm

Maintain sparkling water in your spa with this durable filter cartridge. Designed for effective debris capture, it promises a refreshing soak every time.
$15.92

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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 26 SQ FTx 4-15/16in ODx 10in Hx 2" female SAE

Optimize your water filtration with this high-performance filter cartridge, ensuring clear and refreshing spa water. Its robust design supports efficient dirt capture.
$10.48

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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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FILTER CARTRIDGE 50 SQ FTx 5"ODx 13"Hx 2"IDx FINE THREAD MALE #5CH-502 ANTIBACTERIAL

Achieve superior water clarity with this antibacterial filter cartridge, perfect for enhancing spa hygiene. Designed with fine threads, it offers secure connectivity for reliable performance.
$28.00

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FILTER CARTRIDGE 4 SQ FTx 4-1/4in ODx 8in Hx 53mm

This compact filter cartridge is perfect for smaller spas or pools, providing essential filtration and keeping water clean.
$5.70

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FILTER CARTRIDGE 41 SQ FTx 4-15/16in ODx 14-7/8in Hx 54mm

Enhance your spa's filtration with this robust 41 square foot filter cartridge. Designed for excellent water clarity and efficient debris capture.
$14.16

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FILTER CARTRIDGE 79 SQ FTx 5-5/16in ODx 21-5/16in Hx 55mm

Maintain crystal-clear water with this high-capacity filter cartridge. Designed for efficient debris capture and streamlined flow.
$17.22

Details

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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