Single deflection universal grilles used for intake in air conditioning system, with adjustables front blades, installation can be into walls and ceiling. Throw range is defined by the horizontal distance perpendicular to the register face, at which the air stream velocities have dropped to the terminal velocity.
These grilles have single deflection adjustable blades, Horizontal Return Air Grille consists of face Horizontal Blades and for Vertical Return Air Grille consists of Face Vertical Blades.
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