Unicook Heavy Duty Grill Burner Cover, Adjustable Gas Grill Heat Plate, Grill Replacement Part, Extends from 11.75" up to 21" L, 5 Pack - Walmart.com
Amazon.com : Damile Grill Heat Plates Shield Burner Covers Replacement, Grill Heat Shield Heat Tent Grill Plates for Gas Grill BBQ Grill Parts Kit Adjustable for Gas Grill, Extends from 11.75" up