18x24x1 (17_1/2x23_1/2) Pleated MERV 13 Air Filters 6 Pack

Nominal Size: 18 x 24 x 1, Actual Size: 17 1/2 x 23 1/2 x 3/4 (17.5 x 23.5 x 0.75) Measure your air filter for the exact size and compare it to our actual size to ensure proper fit. Made with MERV rated synthetic poly blend pleated media Ideal for customers looking for superior filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame.