22x36x1 (21.5 x 35.5) Accumulair Diamond 1-Inch Filter (MERV 13) (4 Pack)
A brand that helps tremendously with my seasonal and animal related allergies. filters out the air great and lasts longer than other brands. also very affordable.
Seems to do a better job than other bands and also lasts longer. I don't have to switch out my filters every month.
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