The 27R 6X12X8 STR BOOT W/EARS from Southwark Metal Mfg Co is a specialized duct accessory designed for optimal airflow in HVAC systems. This straight boot features a 6-inch inlet, 12-inch outlet, and an 8-inch height, making it ideal for various applications. The addition of ears allows for secure attachment to ductwork, ensuring a tight seal and preventing air leaks. Constructed from high-quality materials, this boot is built to withstand the rigors of HVAC environments. It meets industry standards for performance and compatibility, making it a reliable choice for both residential and commercial installations.