Furnace filters range from basic to premium varieties. But are premium filters worth the money? Will they restrict air flow in your furnace? Can they help with allergies? Find out which filters protect your furnace from wear and tear, and which ones remove allergens like pet dander, dust mites and smoke from your air.
How to Choose Furnace Filters
A MERV rating is.. the higher the number the better th filter is at grabbing particulars in the air.
Filter purpose.. improve air quality and help your furnace run smoothly