Nordic Pure 15x25x1ExactCustomM13-6 MERV 13 AC Furnace Filters, 6 Piece Actual Size: 15 x 25 x 3/4 Exact (15x25x0.75) This item is made to the exact size listed above. Please measure your current filter and compare sizes before you order MERV 13 media is ideal for high efficiency air filtration and will help those with moderate to severe allergies and asthma Hypoallergenic and antimicrobial pleated electrostatic filter material Made in the USA