A Cabin Air Pressurizer Blower Seal is used to create an airtight seal between the blower unit and the cab air pressurizer housing. It helps dampen these vibrations, reducing noise levels and preventing excess wear on the blower unit and its mounting surface. Attributes:• Provided with 4 mounting holes of diameter 0.81" to fit the fasteners• Helps prevent excessive movement and sealing off potential entry points of the contaminants Applications:A Cabin Air Pressurizer Blower Seal effectively seals off the gaps around the blower providing a cushioning layer to the blower unit and absorbing the impacts and vibrations caused during the operation.