Microwave Grease Filter WB6X486 Replacement For Many GE Microwaves This microwave filter Part # WB6X486 is made with aluminum mesh and will replace old, worn filters on many GE model microwaves. Microwaved foods often generate grease within the appliance. That said, range hoods and over-the-range microwaves are commonly equipped with grease filters that trap grease, smoke and other pollutants and circulate out clean air. This microwave filter (WB6X486) has a metal pull D-ring tab attached that makes replacing the filter simple This grease filter replacement measures 9" x 7 3/4" x 3/32" Please ensure the above dimensions match your existing filter before purchasing this oven filter. Also make sure your microwave does not require two filters, as some do