Proselect Air Filters The key to a reliable car is to maintain all it's moving parts and ensure it's getting the right amount of fuel, air, cooling and lubrication. Keep your car's engine efficient by replacing your air filter, oil and fuel filters at the correct service intervals is the first step in this ongoing maintenance. See the full range online or visit a Repco store near you. Changing your vehicles air filter is one of the easiest and hassle free jobs you can do at home and can be accomplished with a minimum of tools or specialist knowledge.