Pay in 4 interest-free payments of $443.76 Learn more
Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
inner dimension and outside dimension sizes available * Tamper proof screws * Standard Color
Allows for 4-way airflow
Tool Operated Opposed Blade Damper
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 20" Duct Opening (front blades parallel to shortest dimension)
Holds up to 1" filter
Parallel Blade Volume Damper 3000P-72X50 Commercial inner dimension and outside dimensionh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control
