Gayle H Talladega , AL September 30, 2014 Appliance: Frigidaire Microwave FMV156DSB Frigidaire Microwave Fmv156dsb: We needed grease filters for under the microwave perfect fit. How to replace Grease Filter. We ordered grease filters for under our microwave. Perfect fit. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours