20/30 - Airfoil Supply Grille
The 20/30 Series Airfoil Supply Grille features premium quality, extruded aluminum construction. Individual blades are fully adjustable and the airfoil shape helps to reduce turbulence, leading to low sound and pressure drops.
The clean lines and extruded aluminum frame and blades make the 20/30 Series airfoil supply grille well suited to architectural applications.span>Construction Options
- 21 - 3/4 in. spacing, single deflection
- 22 - 3/4 in. spacing, double deflection
- 31 - 1/2 in. spacing, single deflection
- 32 - 1/2 in. spacing, double deflection
- Available Sizes
- Maximum one piece: 36 in. x 96 in.
- Oversized construction available
- Steel damper
- Aluminum damper