About Master Flow™ Stack Duct Cap

The Master Flow™ Rectangular Stack Duct Caps simply cap off a rectangular duct run. They are primarily designed to terminate or block off a rectangular duct run in HVAC systems. The duct caps are compatible with most HVAC systems and can be easily installed with sheet metal screws (sold separately).

Features & Benefits

Product availability is subject to change without notice. Not all products are available from all facilities.

Product Documentation

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