Trane CleanEffects™ Up to 99.98% allergen removal Industry-leading air cleaner Cleanable reusable filter Trane FreshEffects™ Energy recovery ventilator Exchanges indoor/outdoor air Adjustable automatic venting Trane Perfect Fit™ 5" Media Filter Up to 15x better than standard For furnaces and air handlers Easy to replace Trane Perfect Fit™ 1" Pleated Filter Up to 6x better than standard For furnaces and air handlers Easy to replace