BestAir 20 In. x 25 In. x 6 In. Aprilaire & SpaceGard MERV 11 Deep Pleat Furnace Filter with Cardboard Frame 41000 Series shut off brass valve makes

shut off brass valve makes it easy to control water flow

Requires 2-1/8" or 1-1/2" deadbolt cross bore hole

Kills dandelions and clover

Screws are collated on a plastic strip

BestAir 20 In. x 25 In. x 6 In. Aprilaire & SpaceGard MERV 11 Deep Pleat Furnace Filter with Cardboard Frame 41000 Series shut off brass valve makesIndoor 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