The 505 air purifier utilizes Blueair HEPASilent technology to rid the air of 99

Fully push Filter bag into the zipper bag and expand pleats

MPN: PKBG10

Maneuvering and transporting is easy with non-cogged large rear wheels

Koblenz U-510 Upright Zipper Outer Cloth Vacuum Bag, (1 pc.) #45-0307-4 AirTamer Filters & Accessories The 505 air purifier utilizes[custom_html] Silver upright zipper outer cloth vacuum bag designed to fit Koblenz model vacuums. Fits Koblenz models: U 75, U 110 N, U 310 N, U 510 N, U 610 N, U 75 Z, U 110 Z, U 310 Z, U 310 Z, U 510 Z, U 610 Z, U 75 DC, U 110 DC, U 310 DC, U 510 DC, U 610 DC, U 75 ZA, U 110 ZA, U 310 ZA, U 510 ZA, and U 610 ZA. Green label certified cloth vacuum bag. Also includes 1 genuine disposable F&G (#45 0220 1) paper vacuum bag type A (#45 0766 1). Package