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1" Return Blade Filter Grille

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The DARH-FG is a return blade filter grille that fits a 1" filter. 


  • Semi-airfoil blades on 2/3" spacing on fixed 30° deflection
  • Architectural aluminum construction with extruded frame and roll-formed blades
  • Rattle-free performance with pressure-fitted blades
  • Top and bottom mounting options: spring pins, wire hinge, nylon thumb screw, nylon screen tabs, security screen
  • Fits a standard 1" filter
  • Available on 2" standard dimensions
  • Custom sizes manufactured up to 1/16" increments


W | White

S | Silver 

M | Mill 

W - White

S - Silver

M - Mill

Mounting Options

Note: Only A and B are suggested for top mounting option. 

A | Spring Pin

B | Wire Hinge

C | Nylon Thumb Screw

D | Nylon Screen Tabs
E | Security Screw 

Common Uses 

The DARH-FG is used in ceiling or sidewall applications to improve air quality. It provides easy access to inconveniently located air units. 

Additional Options

DARH-FG2 | 2" Filter

DARH-FG4 | 4" Filter

DARH-FG-TB | No Screw Holes

DARHD-FG | Opposed Blade Damper

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