aFe Power 31-10251 Magnum FLOW OER Pro DRY S Air Filter for Mazda 3 Oil-Free Pro DRY S Filter, OE Direct Replacement For Easy Installation 3-Layers Of Progressively Finer Porosity Synthetic "Oil-Free" Media, Washable & Reusable A/F For Multiple Cleaning Cycles Made with 100 percent 55 Shore "A" Polyurethane Frame For Durability, 25mm Deep Pleats For Longer Service Cycle Progressive Bump Seal Design requires no sealing grease or gasket, Drop-in fitment for hassle-free installation for Mazda 3 2014 L4-2.0L/2.5L; Manufactured and Assembled in the USA