Parallel Blade Volume Damper 3000P-68X12 Residential Registers & Grilles Fits 1x1 ceiling grids (collar

Fits 1x1 ceiling grids (collar size 6"-10")

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 30" Duct Opening (front blades parallel to shortest dimension)

Standard Features * 2661 - Square or rectangular fire door for vertical mount only

SD34 Submittal Drawing

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 14" Duct Opening (front blades parallel to shortest dimension)

Parallel Blade Volume Damper 3000P-68X12 Residential Registers & Grilles Fits 1x1 ceiling grids (collarh3. 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