More About Horizontal Single Deflection Registers (HM/HD Series)
The HM/HD Series Commercial Aluminum Horizontal Single Deflection Registers by Hart & Cooley provide extruded aluminum construction, single row of individually adjustable horizontal face bars, pivoted bars for easy positive setting, pivoted bars for easy positive setting, and come in a bright white or satin anodized finish. The HM/HD Series comes with an Opposed Blade Damper or Multi-Shutter Damper.