A Seal is made from a durable rubber compound that is resistant to heat, abrasion, and chemicals. It is made to fit snugly around the air conditioner duct to prevent leaks. The rubber seal also helps to reduce noise from the air conditioner duct.Attributes:• Manufactured with Rubber which gives excellent corrosion resistance• Manufactured to precise specifications and is built for durability and reliabilityApplications:A Seal is used to provide secure sealing for the air conditioner duct to prevent leaks which affects the conditioner efficiency.