Home / Appliance / Parts / Air Purifier HEPA Filter 83187-D Air Purifier HEPA Filter 83187-DPrice Not Available Price may not be up-to-date. Out of Stock View Product Part Number: 83187-D Brand: HUNG HSING ELEC CO Seller: Sears PartsDirect Categories: Appliance, Parts Possible Matches$519.06Walker CalCat CARB 83187 Direct Fit Catalytic Converter 1.8" Outlet... Description This HEPA filter (part number 83187-D) is for air purifiers. HEPA filter 83187-D captures up to 99.97% of airborne contaminants as small as 0.3 microns. Unplug the air purifier before installing this part.