The AFB Silver MERV 8 furnace / air filter is the most commonly purchased replacement filter by FilterBuy. The AFB Silver filters pollen, mold, dust mites, and other particles that are up to the size of ‘pudding mix’ that you might buy at the grocery store. We recommend the AFB Silver Merv 8 filter for basic home and residential use. It will protect your AC / furnace system, while offering adequate filtration to keep your home dust and pollen free.