Hot Tub Filters - Unicel Filter Cartridges

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FILTER CARTRIDGE 28 SQ FTx 6in ODx 10-1/2in Hx 50mm

Experience clearer spa water with this compact filter cartridge. Its efficient design captures debris while providing smooth water flow.
$10.60

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FILTER CARTRIDGE 30 SQ FTx 5-3/16in ODx 12-1/2in Hx 2" MPT

This 30 sq ft filter cartridge efficiently maintains clean and clear water in your hot tub, ensuring a premium spa experience.
$11.88

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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

Details

#40508UM FILTER CARTRIDGE 50 SQ FTx 5"ODx 13"H x 1.5"ID, FEMALE COARSE THREAD

This filter cartridge delivers effective debris capture and longer-lasting filtration for your spa. Its sturdy design features female coarse threads for easy connection.
$82.95

Details

SGMS Ultra Skim Filter, 75 Sq. Ft. w/out Weir, w/ Cartridge, HLG (517-4619-HLG)

The SGMS Ultra Skim Filter ensures effective debris removal and water clarity for your spa, providing essential filtration in a compact design.
$166.00

Details

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 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 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

Details

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

Details

FILTER CARTRIDGE 50 SQ FTx 5-3/16in ODx 16-1/8in Hx 2" MPT

This robust 50 sq ft filter cartridge is perfect for ensuring optimal water conditions in your spa or pool. Designed for effective filtration and easy installation.
$27.00

Details

FILTER CARTRIDGE 24 SQ FTx 5-5/8in ODx 6in Hx 205

Optimize your water filtration system with this powerful filter cartridge, ensuring clean and clear spa water. Its reliable design offers robust performance for your hot tub.
$11.22

Details

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

Details