Good cut to Size Furnace Filter especially if you get two out of the pack!
I was having a hard time finding a 12''x 12'' furnace cold air return filter until a nice Sales Lady from my local Home Depot suggested this filter (WebAbsorber 20 in. x 25 in. x 1 in. Odor Control FPR 5 Air Filter) so I could make mine to size. I was able to cut two of them at the size of 12'' by 12'' and that made it a good value. If I had not been able to cut two I would have felt that the filter was a little high priced for my application. This filter has a good filter medium and an easily sizable plastic grid. I will buy another one next time because they work for me.