Pay in 4 interest-free payments of $57.51 Learn more
Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Single deflection transition box mount spiral pipe grille
Standard Features * For large volume air delivery * For evaporative coolers or central blower systems * Adjustable directional dampers with shut-off * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 30" Duct Opening (front blades parallel to shortest dimension)
* UL and California State Fire Marshall approved * 4-1/4" standard frame style * Maximum dimension 60w
Parallel Volume Damper Low Leak 3000PLL-22X16 Step Down Ceiling Diffuser Single deflection transition box mounth3. 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
