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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Flush core and frame provides smooth surface
Square collar designed for a 20” × 20”
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 10" Duct Opening (front blades parallel to shortest dimension)
904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 14" Duct Opening (front blades parallel to shortest dimension)
Spiral pipe diameter must be 4” larger than the width of the grille
Parallel Blade Volume Damper 3000P-50X26 Step Down Ceiling Diffuser Flush core and frame providesh3. 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
US$ 35.00
US$ 12.99
US$ 14.99
US$ 13.00
US$ 99.00
US$ 134.50
