18" Round Duct End Cap — Galvanized Steel

This 18-inch round duct end cap provides a durable closure for the open end of compatible HVAC ductwork. It helps terminate unused duct runs, close temporary openings, and prevent debris from entering the duct system.

Constructed from galvanized steel, the cap features a non-crimped design that fits over the end of compatible round metal duct. It is suitable for residential and commercial supply-air, return-air, and general ventilation applications.

Sizing Note: The 18-inch measurement identifies the nominal round duct diameter. Confirm the duct size before ordering.

• Galvanized steel construction for durable HVAC installations
• 18-inch nominal diameter fits compatible round ductwork
• Non-crimped design fits over the end of compatible duct pipe
• Closes unused duct runs and open duct connections
• Helps prevent dust, debris, and foreign objects from entering ductwork
• Suitable for residential and commercial HVAC systems
• Can be mechanically fastened and sealed as required

• Product Type: Round Duct End Cap
• Nominal Duct Diameter: 18"
• Material: Galvanized Steel
• Connection Shape: Round
• Connection Type: Non-Crimped Cap
• Application: HVAC Duct Termination
• Compatible Duct: Round Metal Ductwork
• Product Code: EC18

Application: Designed to close the open end of compatible 18-inch round HVAC ductwork.

Installation: Position the cap over the duct end, fasten it using an appropriate mechanical connection, and seal around the joint as required.

Sizing: Verify the nominal duct diameter before ordering to ensure proper compatibility.