Pressure Relief Vertical Mount 3510-12X20 Specialty Products 060 T6 extruded aluminum construction

060 T6 extruded aluminum construction * 45 fixed blade face to conceal filter * Hand operated lever for easy filter access * Concealed mounting holes * Filter door hinges parallel to longest side * Filter retainers * Removable face for easy cleaning * For 1" filter (not included) * Soft White Options * 900 2 FG - 2" filter spacing (filter not included) * 900 TFG - T-Bar mount * 920 FG Series - galvaneal steel frame * Standard Color

Ideal for residential and light commercial application

700 CB20C - corner

904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 20" Duct Opening (front blades parallel to shortest dimension)

Allows for 4-way airflow

Pressure Relief Vertical Mount 3510-12X20 Specialty Products 060 T6 extruded aluminum constructionh3. Standard Features * 3510 Vertical mount * 3520 Horizontal mount air up * 3530 Horizontal mount air down * Designed to open with negative or positive pressures for intake or exhaust air * Felt edge blades to hold noise to a minimum * Aluminum construction * Blade to blade linkage * 1 4" pivot pins in nylon busings * Maximum size 24 x 24 * Mill finish h3. Options * Sleeve variations * Mounting flange * Adjustable counter balance to adjust various