The 27R 4X14X6 Straight Boot with 4'' Extension from Southwark Metal MFG CO is a versatile component for HVAC systems. This boot features a 4-inch by 14-inch size with a 6-inch height, crafted from durable metal for long-lasting use. The 4-inch extension allows for flexible installation options, making it ideal for connecting ductwork in tight spaces. Designed to meet industry standards, this boot ensures efficient airflow and compatibility with various duct systems, making it a reliable choice for both residential and commercial applications.