3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 20x20x1 Micron-05 Iron Treatment - dose at

Iron Treatment - dose at 2 ppm Neutra-Sul® per 1 ppm iron

the APS117 also removes Scale

with more surface area than most competitive cartridges (36 square feet of media

The Aprilaire 360 Comparable Humidifier Replacement Water Panel (2-Pack) by Tier1 is the heart of your humidifier

A genuine OE part that comes complete with both replacement tubing and a metering jet

3M Filtrete 1000 Micro Allergen & Dust Defense Filter - 20x20x1 Micron-05 Iron Treatment - dose atThe Filtrete Micro Allergen air filter size 20x20x1 MPR 1000 filters dust, pollen, smoke and mold spores without draining your wallet. This MERV 11 filter uses a pleated fabric with electrostatically charged fibers that act like tiny magnets to capture even the smallest particles for up to 3 months. The Micro Allergen goes to work every time your heating and cooling system kicks on. It's like having an expensive whole house air purifier, only cheaper!