I have used this product in three different homes over approximately 25 years.It was originally recommended by a physician to help with a child's allergy issues. It was effective and helped the rest of the family with allergy symptoms. It also kept the house remarkably dust free. Now, the children are all gone and we still would not be without these. Our house is clean, when pollen or ragweed are prevalent the house is a refuge, and we are very happy we've continued with these filters. They are easy to replace, last longer than the six months some advocate to change, and are not expensive. I think they've actually declined in price over the years but I'm not that certain. A bargain!

To think I depended upon my A/C company to change these out each year...for $60!

The Apriliaire Spaceguard filter does a great job in capturing dust and particulates. I still use 3 cheap-o 12x12 filters at the intakes (changed every 60 days) as a pre-filter to the Spaceguard. Here in FL where the system gets year-round use, I get a full year out of the Spaceguard

This is a great furnace filter. Does the job and the price was excellent at Amazon!

I received my filters very quickly. They are just want I expected and already have one in use. I am totally satisfied with my purchase.

The 2-pack of filters came very fast (2 days from order to delivery) and the instructions on how to remove old filter and install new one are on each filter box. It's easy - took about 15 minutes all told, and this is the first time I did it. This was a very satisfying purchase.