The Panasonic F290DBP20AP Microwave Roller Ring supports the glass turntable inside compatible Panasonic microwaves. The ring sits beneath the turntable and allows it to rotate smoothly during cooking. Designed for proper fit and movement, this replacement roller ring is suitable for replacing a worn, damaged, or missing ring. Replacing it restores smooth turntable movement and keeps ... https://www.hnkparts.com/f290dbp20ap-roller-ring