2 9/16" Outside Diameter, x 1 3/16" Inside Diameter, x 1 7/8" Height Rated for 99+% removal efficiency at 2 micron Low pressure drop for improved equipment performance Pleated Construction High Quality Aftermarket Replacement Air Intake Replacement Air Filter 5 Pack for Puma Industries 2142013, 1800. 2 9/16" Outside Diameter X 1 3/16" Inside Diameter X 1 7/8" Height. Features: Rated for 99+% removal efficiency at 2 micron. Low pressure drop for improved equipment performance. Heavy Duty Pleated Industrial Paper to Remove More Debris.