Ductwork - Plenums and Air Returns

Plenums & Air Returns

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

Ductboard Plenums

Ductboard Plenum Kits

The Master Flow Duct Board Plenum attaches to the furnace supply or return. It provides a box to create duct runs. The insulation board reduces ventilation system noise and condensation for improved system performance.

  • Can be cut to size and used in other insulating applications
  • Helps reduce energy costs & saves on energy bills
  • Installs on Furnace

Return Air Boxes

Return Air Boxes

A Return Air Box provides a connection between a ceiling grill and the duct system. These products either come with an existing collar or allow you to cut your own opening and install a collar to attach pipe or flexible duct as needed.

  • 30-gauge zinc-coated, galvanized steel construction provides durability
  • Traditionally used in a ceiling or wall application as an air return chamber

Galvanized Panning

Galvanized Panning

Master Flow Galvanized Panning is used to seal the underside of the floor joist space to create a return duct. It is constructed using 30-gauge galvanized steel and can be cut to size to suit a variety of applications.

  • 30-gauge galvanized steel provides durability and sturdiness
  • Seals the underside of the floor joist space to create a duct run to channel air back through the air return system
  • 16in. width is equal to the distance of joist spacing, which enables the panning to be nailed or screwed directly into the wood
  • Can be cut to size to fit a variety of applications

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