Hot Tub Filters - Filbur Filter Cartridges

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FILTER CARTRIDGE 21 SQ FTx 5-5/8in ODx 7in Hx 1 1/2" MPT

Optimize your hot tub filtration with this 21 sq ft filter cartridge, designed for clarity and easy compatibility with spa systems.
$11.06

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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 81 SQ FTx 8-1/2in ODx 10-1/2in Hx 76mm

Enhance your water filtration with this 81 sq. ft. cartridge, expertly designed for optimal debris capture and efficient operation. Its specific dimensions ensure a perfect fit.
$24.16

Details

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

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.
$46.08 $54.21
15% OFF!

Details

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

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

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

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 20 SQ FTx 5-5/16in ODx 10in Hx 1 1/2" MPT

Designed for compatibility and efficiency, this 20 sq ft filter cartridge optimizes filtration for your spa. Enhance your water quality effortlessly.
$11.46

Details

SILICONE CLEAR CARTRIDGES (10 oz/tube) 3D #38700

This silicone clear cartridge is essential for maintaining a watertight seal. Perfect for ensuring durability and reliability in various applications.
$18.00

Details

FILTER CARTRIDGE 1 SQ FTx 4-1/8in ODx 1-9/16in Hx 55mm

Experience effective filtration with this compact filter cartridge, perfect for maintaining water quality in smaller hot tubs. Its design ensures efficient dirt removal.
$3.56

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