For 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 construction ensures long-lasting performance, making them a reliable choice for restoring or maintaining your classic Mercury. Backed by Metro’s Platinum Warranty, these seals are protected for 30 years, giving you peace of mind with your purchase.