Aluminum Supply (Intake) Wall Shutters Are Used For Commercial Or Residential Weather Protection Applications.
Aluminum Supply (Intake) Wall Shutters are made of Aluminum Frame and Blades and mill finish for long lasting durability. Galvanized reinforcement strip on each blade provides added strength and counter balancing efficiency. Felt seal on blades provide quiet and better protection from the weather. Used for use with belt-driven centrifugal wall ventilators. Recommended for vertical mount supply (intake) only. Blades pivot at the bottom and fall with gravity to open. Spring-assist to close. Inside widths range from 8-20 inches. Outside widths range from 10-3/4 -22-3/4. Other dimensions vary per style.