This finial step in filtration can be upgraded to the optional HEPA AirClean filter (HA 50)

With a rated filter efficiency of 99

The CWP Technologies H701 Brush roll features two rows of nylon bristles

removing particles as small as 0

Hoover Conquest series U7069 series

Kenmore EnviroCare Type U/O 50688/50690 Vacuum Bags 9 Pack #159-9 Dyson Vacuums This finial step in filtration[custom_html] This is a package of nine EnviroCare Micro Filtration vacuum bags designed to replace Kenmore Type U 50688 and Type O 50690 vacuum bags. EnviroCare Micro Filtration technology captures 99. 7% of microscopic airborne particles taken in by your vacuum cleaner, so you can be certain that what potential allergens your vacuum sucks up are retained in the EnviroCare bag instead of being returned to your room. Specifications: What's in the box: