A Fresh Breath Of Air Isn t Far Away From The Changing Table. These Replacement Filters Slide Easily Into The First Years Clean Air Odor-Free Diaper Disposal, Trapping And Neutralizing Odors For A Fresh, Clean Environment. With Two Filters, Each Lasting Up To 90 Days. Model: Y7074 Dimensions: 5.25 (Length) 4.25 (Width) 1.25 (Height).