12x24x1 Merv 13 Universal Air Filter By Tier1 (6-Pack) Hydrologic In independent laboratory testing

In independent laboratory testing

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

4 - 6 People uses neutralizing media to raise the pH of acidic water

each filter helps to protect both your wallet and the planet through the use of recycled materials wherever possible in their make-up

and dramatically reduce the amount of chemicals needed to keep the pool clean

12x24x1 Merv 13 Universal Air Filter By Tier1 (6-Pack) Hydrologic In independent laboratory testingOur Tier1 12x24x1 Air Filter MERV 13 comes in a 6 Pack. These pleated high capacity filters are constructed using electrostatically charged filter media. This 100% synthetic material offers significantly higher particulate efficiency than typical poly cotton media pleated filters, and captures the smallest and most troublesome airborne particles and allergens, such as particles that carry viruses and bacteria, pollen, mold spores, fine dust and pet