4 Way Supply Plenum Diffuser

Plenum Diffuser - Image


Our 4 Way Drum Louver Supply Plenum Diffuser is designed to distribute and direct air in large, open areas where air must be thrown over a large distances such as warehouses, shopping malls and factories. This diffuser is used for drop-down supply air discharge installations, and features 4-way adjustable supply airflow. The unit comes fully assembled, sealed and insulated with mounting brackets installed. Sizes available to suit all tonnages. 


  • Designed for drop-down, side supply air discharge installations in large open areas where air must be thrown over a large distance such as warehouses, shopping malls, and factories.
  • Material: 18 Gauge Galvanized Steel
  • Fully assembled, sealed, and insulated
  • Low-leak drum louvers offer maximum adjustability
  • Rugged design with mounting brackets installed
  • Mill finish (Standard)
  • 4-way, 6-way, & specialty configurations also available
  • Engineered, packaged duct systems available