
- Air-O-Swiss AOS 7531 Demineralization Cartridge
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From $15.99 (New)
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From $15.99 (New)
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From $17.99 (New)
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From $18.99 (New)

From $15.99 (New)
From $15.99 (New)
From $17.99 (New)
From $18.99 (New)

| Latest | $15.99 12 hrs ago |
| Highest | $18.15 Jun 30, '13 |
| Lowest | $11.99 Dec 2, '15 |
| Average | $15.44 (30d avg) $15.75 (90d avg) $15.31 (180d avg) $15.67 (365d avg) $16.13 (Lifetime average) |
| Added | May 11, 2013 |
| Latest | $11.99 12 hrs ago |
| Highest | $15.99 Jan 26, '16 |
| Lowest | $5.49 Dec 7, '15 |
| Average | $13.75 (30d avg) $13.76 (90d avg) $13.07 (180d avg) $13.22 (365d avg) $13.52 (Lifetime average) |
| Added | May 11, 2013 |
| Latest | $13.59 12 hrs ago |
| Highest | $17.30 Aug 30, '15 |
| Lowest | $8.90 May 17, '15 |
| Average | $13.01 (30d avg) $13.02 (90d avg) $12.63 (180d avg) $12.14 (Lifetime average) |
| Added | May 11, 2013 |
30 day average: 2,094
90 day average: 1,044
When properly installed and maintained, the AOS 7531 Demineralization Cartridge effectively prevents the release of minerals in the air.

| Latest | $15.99 14 hrs ago |
| Highest | $15.99 Sep 9, '15 |
| Lowest | $15.99 Sep 9, '15 |
| Average | $15.99 (30d avg) $15.99 (90d avg) $15.99 (180d avg) $15.99 (365d avg) $15.99 (Lifetime average) |
| Added | Jun 4, 2013 |
When Properly Installed And Maintained, This Cartridge Effectively Prevents The Release Of Minerals In The Air. Please Exchange Cartridge Every 2 - 3 Months, Hard Water Usage May Require More Frequent Replacement. Cartridge Granules May Be Refilled With Aos 7533 3-Pack Refill Granules. Boneco/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.

| Latest | $17.99 14 hrs ago |
| Highest | $17.99 Jun 12, '13 |
| Lowest | $17.99 Jun 12, '13 |
| Average | $17.99 (30d avg) $17.99 (90d avg) $17.99 (180d avg) $17.99 (365d avg) $17.99 (Lifetime average) |
| Added | Jun 12, 2013 |
Demineralization Cartridge for the Digital Ultrasonic Humidifier. The granules of the Demineralization Cartridge effectively help to prevent the release of minerals in the air. The cartridge should be replaced every 2-3 months; hard water usage may require frequent replacement. Includes single refill packet, use just one packet per refill.

| Latest | $18.99 8 hrs ago |
| Highest | $18.99 Jun 15, '13 |
| Lowest | $18.99 Jun 15, '13 |
| Average | $18.99 (30d avg) $18.99 (90d avg) $18.99 (180d avg) $18.99 (365d avg) $18.99 (Lifetime average) |
| Added | Jun 15, 2013 |
Demineralization Cartridge for Ultrasonics When properly installed and maintained, this cartridge effectively prevents the release of minerals in the air. Please exchange cartridge every 2-3 months, hard water usage may require more frequent replacement. Cartridge granules may be refilled with AOS 7533 3-Pack Refill Granules. BONECO AIR-O-SWISS offers two options for replacing the demineralization cartridge: Replace the whole cartridge with a new part or use replacement granules to extend the life of the cartridge. ;