All our products are new and have not been used, they are sent in sealed boxes More than 10 years back us Universal Oval Reusable Washable Air Cleaner Filter For Chevy Mopar Aluminum - Polished Finned 12" Air filter: Prevents harmful debris, dirt and contaminants from entering your engine. Cabin filter: An implementation that began appearing in vehicles in 2002, it prevents dust, pollen, dirt and other pollutants from entering your car through your A/C and heat vents. Pre-oiled, washable and reusable Fits 12 inch oval air cleaners Quality paper element offers reliable performance Safety First Park your vehicle on a flat, dry surface. Open the hood and secure it. Locate and open housing Locate the air filter housing. Open the air filter housing. The housing is likely secured with clamps that can be undone with your hands, but sometimes you might need a screwdriver or small ratchet. Remove old air filter Remove the old air filter and any debris. Note how the old air filter is installed. You’ll want to replicate this when installing the new air filter. Install the new air filter Install the new air filter. Match the direction and placement of the old housing. Close the air filter housing and secure it the way it was before. That’s it. That’s all there is to getting fresh air into your engine.