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Protect your spa users with the Aqua Jacket cartridge filter sleeve, that turns any regular spa filter into an anti-microbial filter while improving the filter performance.
The Aqua Jacket filter sleeve wraps around your spa cartridge, there are 3 widths to match most pool and spa filters, 5", 6" and 8" widths, fit large spa filters with matching width, measured across the end cap.
Aqua Jacket spa filter sleeves are 14" long, and are easily cut with scissors to match the length of your spa filter, and can be stacked to fit tall or very long cartridges.
Aqua Jacket sleeves are made from extruded foam, and treated with anti-microbials that don't wash away, but are permanently active. In addition to the germ fighting power, it's like adding a second filter, to improve filtration and reduce wear and tear on your spa filter cartridge.