Shop the 20" x 20" Double Deflection Adjustable Steel Blade Grille, Front Blades Parallel to Long Dimension with an opposed blade damper in soft white (Shoemaker 933-0-20X20) and get a great solution for your setup. The 933-O series offers a double deflection surface mount grille with adjustable steel blades that provide 4-way airflow. The front blades run parallel to the longest dimension. The nylon bushings reduce noise from metal rattling. Countersunk mounting holes provide a flush appearance. The opposed blade damper works with the use of a screwdriver. Shoemaker is known for heating and cooling reliability and innovative solutions.
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