Weber 67722 - 3 Burner Tube Set for Genesis 300 Series (2007 Models Only), 34-1/4" Long Fits Weber Genesis 310 and 320 series grills made in 2007 only. Please scroll down the page to the product description to confirm your model No. Includes 3 main burners, crossover burner, hardware. Instructions included. Burners measure 34-1/4 inches Weber Part Number 67722