Whirlpool W10294733 Buct Assembly Charcoal Filters are used to remove odors when range hoods are set to recirculate air back into the kitchen Replace your filter every 6 months to improve air circulation and remove odors This model is designed to work with select range hoods, including KitchenAid models KXW2530/36Y and Whirlpool models GXW6530/36DX Consult your range hood's installation instructions to ensure model's compatibility