3 Pack 45i Replacement Filter for Alen Breathesmart Flex and 45i Air Purifier H13 True HEPA Filter B4-Pure / Fl40, Part # B4-Fresh / FL40-Silver-Carbon, 3 HEPA Filters + 6 Carbon Pre-Filters

: The 45i replacement filter is compatible with the Allen BreatheSmart 45i and Flex Air Purifier Only, Part # B4-Fresh Part # FL40-Silver-Carbon. It is the same size as the original filter. Please check your machine model before purchasing. | : A true 2-in-1 high-efficiency air filtration system featuring a genuine HEPA filter, high-efficiency activated carbon filter. Capture various particles as small as 0.3 microns, protecting your home from pet hair, pet dander, and unwanted odors. | -:The filter is made of eco-friendly materials and features a high-efficiency filter layer, delivering powerful performance against pet dander and odors. Enhanced with premium activated carbon technology, it boosts the efficiency of your 45i / FLEX air puri-fier, making it the ideal choice for pet owners. | : The package contains 3 x High-efficiency replacement filters and 6 Carbon Pre-filters. To maintain optimal performance (depending on your usage frequency and the environment), it is advisable to replace the filter every 6 - 8 months. | : We are committed to offering all customers high-quality and cost-effective air puri-fier filters, aiming to contribute to a better living environment. We have full confidence in our products, and you can place your trust in us.