Parallel Volume Damper Low Leak 3000PLL-56X48 Specialty Products 700 CB20 - two way

700 CB20 - two way

linkage and handle enclosed in valve to assure trouble-free operation

4-way flush step down steel diffuser

MRI Compatible

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 20" Duct Opening (front blades parallel to shortest dimension)

Parallel Volume Damper Low Leak 3000PLL-56X48 Specialty Products 700 CB20 - two wayh3. 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