638-418

This 4-inch x 3-inch x 10-inch Right Angle Boot is a precision-engineered metal venting component designed to optimize airflow in residential and commercial HVAC systems. Functioning as a critical transition piece, this 90-degree register boot allows for a seamless connection between rectangular wall stacks and round ductwork. Whether you are upgrading your ventilation, installing a new furnace, or repairing central air conditioning ducts, this durable galvanized steel boot provides a secure fit. Its right-angle design is ideal for directing air into floor or wall registers in tight spaces where standard transitions won't fit. Built for long-lasting performance, it resists corrosion and ensures efficient air distribution throughout your heating and cooling system.
Type: HVAC Ducting and Venting
Size: Standard Transition Boot
Dimensions: 10 in × 3 in × 4 in
Application: Commonly used in heating, ventilation, and air conditioning systems to transition from round supply air ducts to rectangular registers or wall stacks at a 90-degree angle.
Specifications: Material: Galvanized steel; Configuration: Right Angle (90-degree); Compatibility: Connects 4-inch round ducting to 3-inch x 10-inch rectangular openings.