The A-SL series of formed steel louvers provide all the features and benefits of the fixed blade versions of the SL series louvers, but include the added feature of adjustable blades. The adjustable (operable) louvers allow for the weather protection of a louver when open and can provide positive shut off when no airflow is required.
Frame and blades constructed of 20 ga. galvanized steel
Available in 4" and 6" frames with drainable or "J" type blades.
Provided standard with mill galvanized finish; prime coat, baked enamel, baked powder, kynar available.