Hot Tub Filters - Unicel Filter Cartridges

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FILTER CARTRIDGE 61 SQ FTx 7-1/8in ODx 10-1/2in Hx 2" twist lock

Keep your spa water pristine with this effective cartridge. Its twist lock design ensures secure placement and reliable filtration.
$19.46

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FILTER CARTRIDGE 14 SQ FTx 4-5/8in ODx 6-3/4in Hx 1 1/2" MPT

Enhance your spa's water clarity with this efficient 14 square foot filter cartridge. Its design ensures a snug fit and ease of replacement for smooth operation.
$8.16

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FILTER CARTRIDGE 23 SQ FTx 5-3/4in ODx 7-1/16in Hx 2" MPT

This 23 sq ft filter cartridge offers effective filtration for your spa, providing crystal-clear water consistently.
$11.80

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FILTER CARTRIDGE 49 SQ FTx 8in ODx 8in Hx 2" male slip

Install this 49 sq. ft. filter cartridge for efficient water filtration and maintenance. Its design ensures a perfect fit for standard systems, providing lasting clarity.
$17.56

Details

FILTER CARTRIDGE 35 SQ FTx 6-3/4in ODx 15-1/2in Hx 2" SAE

Ensure your spa's water remains pristine with this 35 sq ft filter cartridge. Its robust design promises effective filtration suitable for various setups.
$17.38

Details

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

Details

FILTER CARTRIDGE 15 SQ FT, 1.5"SAE BTM THRD, BAR HNDL # 817-0020

Designed for effective filtration, this compact cartridge is perfect for smaller spa applications. Its bottom thread design and sturdy handle facilitate easy handling and installation.
$32.00

Details

FILTER CARTRIDGE 34 SQ FTx 6-3/4in ODx 8in Hx 2" MPT

Maintain superior water clarity in your spa with this 34 sq ft filter cartridge. Its efficient design supports effective filtration and easy replacement.
$15.50

Details

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

Details

FILTER CARTRIDGE 46 SQ FTx 5-11/16in ODx 10-3/8in Hx 54mm

This filter cartridge ensures smooth operation and clear water for your spa or pool. Designed for reliable filtration performance.
$14.36

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Filter Lid Hi-Flo 50 Sq Ft 2

Secure your spa system with the Hi-Flo filter lid designed for enhanced durability. This essential component ensures optimal performance and water clarity.
$42.70

Details

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

Details