Opposed Blade Volume Damper

Escoflow opposed blade volume damper offer specifically designed for use with square and rectangular neck diffusers. Blades move simultaneously in opposite directions and close at 45 degree to permit metering of the air while creating a minimal disturbance to the air pattern. Regulated by removing diffuser inner core and adjusting the slot operator with manual.
FEATURE
    Aluminum construction.
    Opposed volume damper.
    Designed for quick adjustment.
    Accurate, smooth and predictable in their response to adjustment.
    Engineered for the least possible noise, turbulence and air resistance.
    Hinge-tab mechanism allows hinging or removal of grille from the filter