BLUEAIR Genuine 511i Max Pre Filter Fits Blue Air Purifier Washable Fabric Limestone

GENUINE BLUEAIR PREFILTER: For Blue Pure 511i Max Air Purifier (B08KQHR2KR). Genuine Blueair Limestone Replacement Pre-Filter is designed for optimum performance and will not fit the 511 Pure. WE CLEAN THE AIR THINNER - The pre-filter is removable, washable and designed to be reused; when the pre-filter requires deeper cleaning, machine wash it on a gentle cycle at low temperature and hang it up to dryer. WE CLEAN THE AIR EASIER: The washable fabric retains pollen, pet dandruff and dust; Vacuum the outside of the fabric pre-filter as many times as you want. CLEANING AIR FASTER: HEPASilent dual filtration technology provides clean air faster and consumes less noise and energy than HEPA filtration alone. WE CLEAN THE AIR WITH STYLE: Blueair is the only line of air purifiers with a washable and customizable pre-filter fabric in Scandinavian-inspired colours such as fog grey, limestone beige, moss green and sand pink.