Replacement Whirlpool 8172138 Microwave Glass Plate - Compatible Whirlpool 8172138 Microwave Glass Turntable Tray - 12 3/4" (325mm) Replacement Whirlpool 8172138 Microwave Glass Plate Replaces Whirlpool 8172138 Microwave Glass Turntable Tray Replace your broken microwave glass plate with the same great quality as the original at a more economical price. An essential part of your microwave. This tray is rotated when the microwave is turned on to heat or cook your food evenly. Durable and easy to clean. Food will not stick on the glass plate making it easy to clean. Durable enough to last as long as the microwave itself with proper care and use. On Sale for a Limited Time!