Set of 3 Cast iron Burners for Uniflame Bbq Grill GBC790W, GBC790W-C Set of 3 Cast iron Burners for Uniflame Bbq Grill. Long life modular design to fit most 3 and 4 burner grills with this burner style Measures 2.4"W x 10.75"L, extends to 16.75"L Extendable venturi and cast iron spacer included; Increase burner coverage to better fit grills for more even cooking Built-in Spider Guards designed to deter infestation during periods of non-use