The SCS filter heap 0.12 micron media for vacuum. This appliance must be grounded. If it should malfunction or break down, grounding provides a path of least resistance for electric current to reduce the risk of electric shock.

Filter can be used on 497AJH HEPA Vacuum, Menda Omega Field Vac, 3M, and Atrix vacuums
99.97% efficient 0.3 micron HEPA filtration