Wide Compatibility: Compatible with Frigidaire Electrolux microwave models including FFMV1846VSA, FMOS184LBFA, GMOS1962AFA, LFMV1846VFA, EMOW1911ASA, FFMV1846VDA and more. Replaces part numbers 5304523276, AP6979923, PS12746600, EAP12746600, 4960202 Upgraded Thickened Mica Material: Made from premium high-temperature resistant mica sheet with enhanced insulation and heat resistance. Durable, corrosion-resistant, and not easy to deform, helping extend microwave service life Excellent protection: The waveguide cover blocks grease, moisture splatter from entering the waveguide channel and magnetron area. Helps reduce sparking, arcing, burning smells, and microwave damage during operation Easy Installation: No complicated tools required. Simply disconnect power, remove the damaged mica sheet, and install the replacement cover in minutes. Perfect direct replacement for worn or burned microwave waveguide covers Reliable Protection: Includes 2 microwave waveguide covers for convenient future replacement. Ideal for maintaining stable microwave performance and avoiding downtime caused by damaged covers