BestAir® 20 x 25 x 4 in. Air Cleaning Furnace Filter, MERV 11, Removes Allergens & Contaminants, For Honeywell Models Size:20" x 25" x 4" Available in four thicknesses: Single

Available in four thicknesses: Single Strength

Works with 12V systems

Not fire rated

garage doors

High Impact Plastic Covers

BestAir® 20 x 25 x 4 in. Air Cleaning Furnace Filter, MERV 11, Removes Allergens & Contaminants, For Honeywell Models Size:20" x 25" x 4" Available in four thicknesses: SingleIndoor air quality is commonly affected by particles such as dust, pet dander, and viruses. BestAir is dedicated to providing a clean and comfortable indoor environment for everyone. We have a complete array of high quality humidification wicks, air cleaning filters, and many other accessories, which will ensure that your indoor air quality will be the BestAir that you and your family can breathe. We are the largest manufacturer of replacement filters