Steel aeroblade filter grille, 45 degree deflection, 3/4" spacing, blades parallel to short dimension
AeroBlade Filter Return grilles are the quietest in the industry. Utilizing a unique airfoil blade design, these grilles provide the ultimate in performance and noise reduction. AeroBlade grilles are available in steel or aluminum construction and various blade spacing options.
  • Series 23 filter grilles feature louvers spaced ¾” apart
  • 23 series models are available in common filter sizes
  • 1” thick filters may be purchased from hardware stores for the most common sizes
  • Blade deflection angle is 45°
  • Quarter turn fasteners are standard to make filter access easy
  • Knurled knob fastener available as option
  • All dimensions are ± 1/16”
  • Filters by others
  • Dimensions are the same for border type 1 (surface mount) and border type 3 (lay-in T-bar)