Durabasics Hepa Filter Compatible With Alen Breathesmart Classic & Bf35

Replace Your Air Purifier Filter You Love Your Classic/Bf35 Purifier But It'S Been A While Since You Replaced Its Filter. Old, Clogged Filters Can Decrease The Efficiency Of Your Machine And Raise Your Electric Bill. Realistically, You Should Swap Out The Air Filter Every 10-12 Months. Unfortunately, Some Replacements Are Quite Pricey. Durabasics Wanted To Offer A Top-Quality Option, But At A Reasonable Price. Our Replacement Filters Give You 3 Stages Of Air Cleansing: 1. Pre-Filter: Made From Activated Carbon, The 1St Layer Completes Initial Filtration And Combats Unpleasant Odors. 2. Hepa Filter: The Middle Layer Is Where The Bulk Of The Filtration Occurs. This Includes Pet Fur, Dander, And Dust. 3. Carbon Filter: With Little Granules Of Carbon, The Final Layer Has An Increased Surface Area Compared To The Pre-Filter. This Helps Combat Any Remaining Odor And Serves As A Final Filtration To Clean Your Air. Durabasics Bf35/Classic Filter Replacements: The Durabasics Filter Fits Bf35 (Classic) Air Purifiers Only.&Nbsp;It Is An Exact Match For This Model And Measures 15 13/32&Rdquo; X 14 &Frac14;&Rdquo; X 2 13/32&Rdquo;. The Filter Replacement Will: -Increase The Efficiency Of Your Air Purifier -Reduce Your Electricity Bill -Keep Your Air Clean