• NEW and patented refill process!
• When properly installed and maintained the granules effectively help to prevent the release of minerals in the air.
• Granules should be replaced every 2 – 3 months; hard water usage may require more frequent replacement.
• One box includes 3 single refill packets - use just one packet per refill.
• For use with the AIR-O-SWISS demineralization cartridge AOS 7531.

AIR-O-SWISS offers two options for replacing the demineralization cartridge: Replace the whole cartridge with a new part (model AOS 7531) or use replacement granules (model AOS 7533 Refill Granules 3-Pack) to extend the life of the cartridge.

Click here to download a PDF with Refill Instructions...