Linear Flow Return

The LinearFlow series is designed to display sleek aesthetics and higher air flow; ideal for architectural ceiling suspension systems. The wide selection of slot widths allows for higher CFM per linear foot as well as noise and pressure reduction. The LinearFlow is available in continuous linear and incremental linear configurations.


  • Matching ALFx7 Airflow diffusers available.
  • Matching ALFx8 Jetflow diffusers available.
  • Extruded aluminum construction.
  • Available for surface mount (regular flange or Tape & Spackle) or T-bar lay-in.
  • Five slot sizes (1”, 1.5”, 2”, 2.5”, 3”), 1 to 2 slots.
  • Ideal for VAV systems.
  • Powder paint coating – White (other colors available upon request).



ALF10   1 Slot Return

  • Return matching Airflow ALF17 and Jetflow ALF18 supply.

ALF20   2 Slot Return

  • Return matching Airflow ALF27 and Jetflow ALF28 supply.


ALFxPL   Plenums for LinearFlow Airflow (ALFx7), Jetflow (ALFx8) and Returns (ALFx0)

For more details, click here to see the plenums page.