A Breather is used to allow air to flow in and out of a marine transmission housing. The main function of a breather is to prevent the build-up of pressure inside the transmission housing. The breather also helps to remove moisture from the transmission housing. Attributes:• Prevents dirt and debris from entering the transmission• Manufactured to precise specifications and are built for durability, reliabilityApplications:A Breather is used to equalize the temperature inside the transmission housing.