Carbon Range Hood Filter 10 7/16" x 11 7/16" x 3/8" PART CROSS REFERENCE: BROAN: 99010187 99010113 GEMLINE: RF100 GENERAL ELECTRIC: WB2X9760 WB2X2891 Filters odor. Used in non-ducted range hoods, microwave ovens and other applications requiring odor elimination. When used in a range hood, filter is usually accompanied by an aluminum filter. May not be washed. Replace every 9-12 months. Constructed of carbon fiber sheet reinforced by a layer of expanded metal.