Opposed Blade Damper 04×12 controls airflow through a duct with overall dimensions 3-3/4″ x 11-7/8″. Adjustments are made with a screwdriver.
- controls airflow for a 4″ x 12″ decorative grille
- airflow adjustments are made with a screwdriver
Aged Copper, Antique Brass, Antique Cherry, Black, Chinese Red, Dark Bronze, Nickel, Old Wood, Old Wood Gold, Pewter, Rubbed Bronze