BestAir® 20 x 25 x 4 in. Air Cleaning Furnace Filter, MERV 8, Removes Allergens & Contaminants, For Honeywell Models Size:20" x 25" x 4" Thin kerf with extra-hard plate

Thin kerf with extra-hard plate for less waste and increased accuracy

100% acetate handle stands up to heavy-duty industrial use

or fabric fencing quickly and evenly

gypsy moths

BestAir® 20 x 25 x 4 in. Air Cleaning Furnace Filter, MERV 8, Removes Allergens & Contaminants, For Honeywell Models Size:20" x 25" x 4" Thin kerf with extra-hard plateIndoor 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