56FFL
Aluminum aeroblade filter grille, zero degree deflection, 3/4" blade spacing, blades parallel to long 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.
FEATURES AND BENEFITS
  • Series 56FF filter grilles feature louvers ¾” apart
  • 56FF 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 0°
  • 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)