Music City Metals 20502-725LR Cast Iron Burner Replacement for Select Broil-Mate Gas Grill Models Listing is for a twin burner head and a twin venturi. 15.875 x 8 inch cast iron H twin burner with 1.25 inches offset gas inlets with 4 x 2.875 inch venturis Fits Broil-Mate 4000, 4500 series, S4410, W401, W461