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Holmes Group Arm and Hammer Humidifier Demineralization Cartridge, Set of 4
Ordinary tap water can be full of hard minerals such as lime and calcium. When this water is vaporized a white dust can form, a kind of residue that can build up inside your living space The demineralization cartridge will effectively reduce the build up of scale and absorbs hard water. For use in ultrasonic humidifiers Reduces mineral build-up caused by hard water Reduces white dust a by-product of minerals cased by hard water 4 cartridges per box Product Dimensions  1.2 x 2 x 4.1 inches, Brand  Holmes Group, Item Weight  0.06 Pounds, Item model number     'Tools & Home Improvement'  'Parts

Price is $12.00
Price: $11.54