Product Information
One complete filter change: One standard HEPASilent™ filter of polypropylene (traps particles).
Compatible with all Blueair 400 Series Air Purifiers (any model number that starts with 4).
Product Dimensions
20 x 3 3⁄4 x 9 7⁄8
Average Filter Life
6 months
Filter Efficiency
99.97% of 0.1 micron particles on Speed One
