BLUEAIR Blue Signature Medium SP3i Pre-Filter – Midnight Blue Washable Fabric, Captures Dust, Hair & Pet Dander, Extends Filter Life

["DESIGNED FOR BLUE SIGNATURE MEDIUM AIR PURIFIER – Only compatible with the Blueair Blue Signature SP3i model. Check the label inside your device to confirm before purchasing.","STYLE IT YOUR WAY: ARCHIPELAGO TAUPE – An earthy, muted taupe that pairs beautifully with contemporary and Scandinavian-inspired homes.","CAPTURES LARGE PARTICLES – Helps extend the life of your main filter by trapping dust, hair, and pet dander before they reach the core filter.","EASY TO CHANGE – Intuitive design lets you lift off the old pre-filter and slide on the new one in seconds. No tools required.","MACHINE WASHABLE & REUSABLE – Simply wash on a gentle cycle and air dry for fresh, ready-to-use filtration."]