Adjustable Flex Venturi, Stainless Steel (2 Required for Dual Burner) Product Type: Adjustable Size: 8-1/2 to 11-1/2 IN Material: Stainless Steel Used on: Amberlight GT30, KC30, GR40, GT40, PC40, PR40, Arkla/Preway 2000 Series, 3001k, 3029F, 4015K, 4052K, 4060U, 42410, 42410-S, 42417, 42420, 42429, 42500, 42501-RUF, 2505-GU, 42513, 42513-S, 42517, 42518, 52530, 42530-S, 42531-F, 42531-P, 42531-SP, 4 Gas Grills :