For the millions of particles in a typical home’s air, a Trane Perfect Fit™ reusable air filter traps more dust, pollen and bacteria than typical filters. Plus, when paired with the Trane CleanEffects™ whole-house air filtration system you get one of the world’s best air filtration systems, making the air you breathe that much cleaner. A Trane Perfect Fit™ reusable air filter is an integral part of a Trane home comfort system. Even if you start out with a pleated or media filter, you always have the option to add the Trane CleanEffects™ whole-house air filtration system. And, regardless of the filter you choose, all of the filters are easy to access and maintain.