BestAir A401-SG4-11R Air Filter, 27 in L, 16 in W, 11 MERV, 1000 to 1200 MPR

Indoor 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 made in North America and are also leading the way for industry standards. Our market's first innovations, such as the expanded paper wick and original bacteriostatic treatment (EPA Registered), are some technologies we invented that sets us apart from our competition. Protect your home and work environments now with BestAir®.