AAF Flanders 14" x 20" x 1" Nested Glass MERV 1 Air Filter (4 Filters)

Works well. Have been using these for about 20 years. Helps with allergies and dust and the size fits perfect in my vents. Also allows the perfect air flow.

I like it because it's the better filter for my home's machine performance. I don't like noticing it's rising in price. Last time I purchased this pack, it was $5.

These filters do a great job, especially for the price. I have been told the more expensive type filters do not filter as well and can lead to your a/c stopping up and can also cause problems.

I was told by my A/C guy that these filters were the best for my system. He said not to get the Pleated kind. So, about 2 years ago I found these at Walmart and ordered enough for 2 years. 2 years ran out yesterday so I needed more.

These are the filters I needed to use with a 20 inch box fan to catch dust and kitty hair in the air. Works great! Air flow is good and dust is way down.