Stainless Steel Microwave Vent Grille.
Frigidaire, known for its manufacturing under both its brand and Electrolux, also supplies products for Sears-Kenmore. This specific part, model number 5304472493, is a vent grille made for microwaves.
Part number 5304472493 effectively conceals internal microwave structures while allowing air circulation through its openings.
Prior to installation, disconnect the microwave from the power supply and wear protective gloves for safety.