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
Hart & Cooley by Duravent Floor Register, Series: 531, 2 x 10 in, 3-3/8 in Overall Length, 11-3/8 in Overall Width, Aluminum, Satin Anodized, Domestic