Hart & Cooley 4" x 10" (Wall Opening Size) Royalaire Floor Diffuser (531 Series)

Note: Size indicates approximate size of wall opening needed. Check Submittal Drawing in manuals tab for exact dimensions. Features: Extruded aluminum construction Corrosion resistant, high strength Heavy cross bracing at strategic intervals Dual multi-shutter valves for adjustable air pattern Nylon slide valve operators Satin anodized finish