Dustlok Antimicrobial Filters
(21.5 x 23 3/8 x 1) - 6 per box

Antimicrobial filters trap pet dander and germs that make you sick. If you live in an area that is highly exposed to dust where allergens thrive, you can expect this filter to trap those particles on a microbial level. This orange filter has a MERV rating of 9 and should be changed every 30 days.