HEPA Filter for OCA500,OCA510,12x12x12
True HEPA18 Filter Replacement (OCA500, OCA510), Filter Type HEPA, Compatible Grainger Part Number 780TH1, 780TH2, Compatible Manufacturer Model Number OCA500, OCA510, Filter Layer Type Carbon, Nominal Depth 12 in, Nominal Height 12 in, Nominal Width 12 in, Filters Down To 0.3.