This Burnham Commercial Gasket Access Panel is a rectangular-shaped component measuring 16 inches by 5 inches. It is designed to provide a secure seal for the access panel in various types of commercial heating systems. The gasket is made from high-quality, durable materials that can withstand high temperatures and pressures typically encountered in such environments. Its primary function is to prevent leaks and ensure the efficient operation of the heating system by maintaining an airtight seal. This product is compatible with specific models of Burnham Commercial heating systems, and it's recommended to check compatibility before installation.