Vetus Louvered Air Suction Vents-ASV30 - In order to burn 1 lb. of fuel - ca. 0.14 U.S. gallon a quantity of 16 lbs of air is needed - ca. 438 cu.ft. at 1 atmosphere. Free Flow Area in.2.24.7- E.2-3/16 inch - A.17-3/4 inch - B.16-15/16 inch - C.5-1/8 inch - D. 4-3/8 inch.
