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Aqua Tech Spas

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We offer over 200 of the most popular replacement filter cartridges on the market, including replacements for Unicel, Filbur, Pleatco, and OEM products. To find your filter by selecting the dimensions below.
Watch the video for advice on how to measure your cartridge.

showing 1 - 4 of 4 products

404-158 Spa Filter Cartridge Pair

Guardian Filtration

Replaces: Unicel C-4401, Pleatco PRB17.5SF-JH-PAIR, Filbur FC-2386

Sale!
$35.00 $19.99

404-158M Spa Filter Cartridge Pair

Guardian Filtration

Replaces: Unicel: C-4401RA, Pleatco: PRB17.5SF-JH-M-PAIR, Filbur: FC-2386M

Sale!
$39.99 $22.00

413-212-M Spa Filter Cartridge

Guardian Filtration

Replaces: Unicel C-4950RA Filbur FC-2390M Pleatco PRB50-IN-M

Sale!
$34.00 $21.00

 

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