• All AIR-O-SWISS ultrasonic humidifiers are equipped with

a powerful and exchangeable demineralization cartridge to

ensure water mist without lime scale or mineral residues.

• The cartridge has a silver treated plastic housing with

on the surface of the cartridge.

• Cartridge is refillable – 3Pack refill granules available

(AOS 7533)

• Easy replacement

• Odorless granules used

• The demineralization cartridge needs to be replaced

every 2 – 3 months depending on the water hardness. If

the water is very hard (= high amount of minerals), it may

be necessary to replace the cartridge after 1 – 2 months.

• In case distilled or reverse-osmosis water is used with

the ultrasonic humidifier, the use of the demineralization

cartridge is not necessary.

AOS 7131, AOS 7133, AOS 7135, AOS 7142, AOS 7145