Music City Metals 71112 Zinc Plated Steel Venturi Replacement for Select Gas Grill Models by Arkla, Charmglow and Others, Set of 2 Listing is for 2 venturi tubes. 7.125 x 4.5 inch zinc plated steel L-shaped venturi Original burner head may not be compatible with replacement venturi. Use with one of the following burner heads: 15102, 15202.