Weber #91354 Spirit Grease Tray Weber # 91354 Grease Tray for specific Weber Spirit 3 Burner Grills. Spirit 310 and 320 Grills Made in 2009 and 2012. Uses Catch Pan Kit # 83156. MEASURE your CURRENT grease tray BEFORE ORDERING to help ensure you are ordering the correct one for your grill. 91354 measures approximately 17-3/4" long x 13" wide and 3" high Please visit Weber's website to ensure you order the correct parts for your specific grill. It is best to look up by serial #. The following link will also help you find the alpha numeric number. http://help.weber.com/schematics/#serial-number