− Decrease quantity for Air Filter; ProHDuty Pro 5R; Air Filter; 9.25 in. OD x 5.25 in. ID x 14.49 in. H Quantity + Increase quantity for Air Filter; ProHDuty Pro 5R; Air Filter; 9.25 in. OD x 5.25 in. ID x 14.49 in. H Add to cart