Built to Last

A return grille is connected to the ductwork, which allows air to return to any cooling or heating system. The Tri-Flex series consists of a range of steel return grilles that are efficient, cost-effective and fit your needs.

  • 1-1/4" nominal overlap margin
  • Equipped with countersunk screw holes and mounting screws
  • Constructed with steel to offer reinforced corners that can withstand damage

  • Equipped with fixed bars spaced on 1/2" centers
  • T85 features face bars with 0-degree deflection
  • Optional volume adjustment damper (Model SOBD) operable from face

  • Finest quality steel construction
  • Available in standard White (WH) electrocoat
  • Bars spaced on 1/2" centers

  • Product available in 1" increments of width and height
  • Deflected blade grilles are fixed in a low or high sidewall location
  • 1-1/4" nominal overlap margin

  • Optional volume adjustment damper (Model SOBD) shall be operable from face and constructed of heavy-gauge steel
  • 1" increments of width and height available
  • Sizes greater than 48"x48" are supplied in multiple sections

  • Features minimal intake velocity, reduced inlet pressure and quiet operation
  • Designed for an unobtrusive look with screw holes that are subtle
  • Available in standard White (WH) finish

  • Optional steel mounting frame (45) available for use in plaster applications to facilitate grille removal
  • Performance tested in accordance with ANSI/ASHRAE Standard 70-2006 at isothermal conditions
  • Provided with fixed bars on 1/2" centers

  • Available in White (WH) electrocoat finish
  • Reduced noise levels ensure nominal disturbance
  • Steel construction for reinforced corners that facilitates optimum performance