I have been buying Filtrete air filters for years and this one continues the tradition of great quality filters Filtrete offers. We don't smoke or have pets and only have to change 20" x 20" furnace filter twice a year.
I have been using these filters for about two years now. They have been very efficient in cleaning the air in my home and I have been quite satisfied with them.
My husband & I both have seasonal allergies and this filter by far is the best one to give us a comfortable home without the added stuffiness of all the allergens in our area. It's the only one we'll buy and have used for years!
We get our furnace tested/tuned up every fall and the furnace Tech says this is a good choice for everybody in the house and even those who have breathing problems. Change them once a month (mark your calender) and this furnace will work like a charm.