Parallel Blade Volume Damper 3000P-68X28 Residential Registers & Grilles Perforated Face Grille

Perforated Face Grille

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SPFG-4 - holds 4" deep air filter * Standard Color

904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 14" Duct Opening (front blades parallel to shortest dimension)

Note: Sizes are Listed Nominal Duct Opening

Standard Features * Stamped curved blades * Field adjustable for positive throws and control of face velocities * Provides uniform air distribution across ceiling or walls * Eight air patterns * All component parts

Parallel Blade Volume Damper 3000P-68X28 Residential Registers & Grilles Perforated Face Grilleh3. 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