AIR DUCT COUPLING

摘要

An air duct coupling that accommodates several different duct sizes is provided. The coupling comprises a coupling body having two or more coupling arms. Each arm is configured for attachment to an air duct. Each coupling arm comprises at least two coupling necks having differing diameters but concentric about the longitudinal axis of the coupling arm.

主权项

1. An air duct coupling comprising:
a coupling body having two or more coupling arms configured for attachment to air ducts wherein each coupling arm comprises at least two coupling necks having differing diameters but concentric about the longitudinal axis of the coupling arm.