This is an odd-sized air filter for your furnace / Air-conditioning system. I had to get a new furnace and had this one left. It has never been used. It was custom made by a filtration company out in Fenton, MO.
It measures: 22 inches by 26 inches by 1-3/4" thick.
22 x 26 x 1-3/4
air handler, blower, hvac, home comofort, purification, purifier, standard, pleated, cleaner, 22 x 26 x 2