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The SNAPPY 213-30s is a galvanized set-in cap with cleat designed for rectangular sheet metal ductwork. It fits a 3.25-inch by 10-inch duct opening and provides a secure, finished termination point at the end of a duct run. The integrated cleat allows for a tight, locked-in connection to the duct end without additional fasteners. HVAC sheet metal installers and duct fabricators use this fitting during new construction and replacement work to cap and seal rectangular duct ends cleanly and efficiently.
This cap is suited for residential and light commercial HVAC duct systems where a 3.25-inch by 10-inch rectangular duct profile is used. It is commonly installed at branch takeoff terminations, equipment transitions, or anywhere a duct run requires a capped end. The galvanized steel construction makes it appropriate for supply or return air applications in standard forced-air systems.
Designed as a standard OEM-style replacement or new-installation fitting for 3.25-inch by 10-inch rectangular sheet metal duct systems.
Installation is typically performed by a licensed HVAC technician or sheet metal contractor. Power down the air handling unit before working on any duct section to prevent airflow interference during fitting. The cap slides into the duct opening and the cleat is folded or pressed to lock it in place using standard sheet metal hand tools. Follow local mechanical codes and SMACNA guidelines for duct construction and joint sealing requirements.
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