MAPRO Adjustable Single and Double Louver Grilles offer an ideal solution for discreet and efficient air distribution in both supply and return applications. Designed with either one or two layers of individually adjustable blades, these grilles provide precise control over the airflow direction to meet varying ventilation needs. The blades, set at a fixed pitch and featuring a streamlined teardrop design, allow for smooth adjustment of the deflection angle while minimizing resistance, pressure drop, and noise levels. Engineered for versatility and performance, these grilles are well-suited for modern HVAC systems where both functionality and low-profile aesthetics are essential.