The Charcoal Filter Is Located At The Top Of The Microwave Behind The Grill Vent! This Is The Only Location Where This Filter Will Fit! If The Air From The Exhaust Fan Does NOT Smell Fresh, This Filter Helps To Reduce The Foul Odors! Filters Are Normally Replaced Every 9 Months Depending On Use! This Offering Is For ONE Charcoal Filter! This part does NOT come with installation instructions. This Microwave Upper Charcoal Filter is compatible with the following Whirlpool devices: YMH7155XMS1, YMH7155XMS2 This item is NEW! Don't see your model number? Send us a message as we are happy to help! This Microwave Upper Charcoal Filter Is Specifically For Model Number(s) YMH7155XMS1, YMH7155XMS2 The Charcoal Filter Is Located At The Top Of The Microwave Behind The Grill Vent! This Is The Only Location Where This Filter Will Fit! If The Air From The Exhaust Fan Does NOT Smell Fresh, This Filter Helps To Reduce The Foul Odors! Microwave Upper Charcoal Filter Compatible With Whirlpool Model Numbers YMH7155XMS1, YMH7155XMS2 Brand Lazellz Dimensions 9.00 x 1.30 x 14.00 in Has written warranty No Model YMH7155XMS1, YMH7155XMS2 Assembled product weight 0.25 oz