Whirlpool Part Number 4396389: Filter, Grease (2 Pack) THIS WHIRLPOOL 4396389 GREASE FILTER WILL HELP AIR CIRCULATION AND REMOVE SMOKE AND OTHER TAINTED PARTICLES FROM THE AIR. YOUR OVEN OR RANGE FILTER SHOULD BE CHANGED ONCE A YEAR, OR WHEN A LOSS OF AIR FLOW IS NOTICEABLE.2 PACK Works with the following models: Whirlpool GZ8330XLS0, Whirlpool GZ8330XLS1, Whirlpool GZ8336XLS0, Whirlpool GZ8336XLS1