Microwave Filter Replacement 5.78" x 12.91" Fits W10208631A Whirlpool Microwave Filter - Aluminum Mesh Screen Grease Filters - Freshens and Filters Kitchen Air in Over the Range Oven Vent Fan (4-Pack) is up for auction in Appliances. The current bid is $2.50, 87% below the $19.98 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.