5-1/4" Fresh Air Vent to Cowl Seals For Mercury Mercury 1949-1951; RP 101-AFor 1949 1951 Mercury and Monterey cars, these fresh air vent to cowl seals are crafted from durable rubber and measure 5 1 4" square with a 3 7 8" inner diameter. Designed to fit perfectly, they are made using over 50 tons of pressure, ensuring precise detailing and a snug fit. These seals are essential for maintaining a tight seal between the fresh air vent and the cowl, preventing water, dust, and debris from entering the cabin. Their robust