Air-O-Swiss AOS 7417 EZ Cal - Cleaner/Descaler - 3 pack Reviewhttp://tinyurl.com/kkk8v2y Air-O-Swiss AOS 7417 EZ Cal - Cleaner/Descaler - 3 pack Simple and safe to use - EZCal ensures a clean humidifier and continuous high performance.One box includes 3 individual packetsuse just one packet per cleaning.For best results use EZCal every two weeks depending on the water hardness.EZCal is safe to use on other humidifier brands.
