Nordic Pure 17x17x1ExactCustomM7-12 MERV 7 AC Furnace Filters, 12 Piece Actual Size: 17 x 17 x 3/4 Exact (17x17x0.75) This item is made to the exact size listed above. Please measure your current filter and compare sizes before you order MERV 7 media is ideal for normal air filtration and will help those with mild allergies Hypoallergenic and antimicrobial pleated electrostatic filter material Made in the USA