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The Filbur FC-3623 Marquis Spa Cartridge is designed for effective filtration in your spa system. This cartridge has a filtration area of thirty-five square feet, ensuring clean and clear water for your spa experience.
This cartridge is essential for maintaining proper water clarity in spas and hot tubs.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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