121RS
Steel aeroblade single deflection supply grille, 2" spacing, blades parallel to short dimension
The 111, 121, and 131 Heavy Duty Series grilles feature an extruded aluminum blade that provides high volumes of supply air and long throw patterns. They also minimize pressure loss and reduce noise levels.
FEATURES AND BENEFITS
  • Aerodynamically shaped blades are individually adjustable
  • Optional opposed blade damper has screwdriver adjustment accessible through face of register
  • Material is 20 gauge steel for border and heavy extruded aluminum for blades
  • #8 x 11/4” lg. Phillip’s flat head sheet metal screws painted white
  • All dimensions are ± 1/16”