Pay in 4 interest-free payments of $248.00 Learn more
Ships within 48 hours · Estimated delivery Oct 14 - Oct 19
Available 4" thru 28" round
Maximum dimension 60x60
SD34 - Transition Box Spiral Pipe Grille (DOUBle Deflection)
904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 24" Duct Opening (front blades parallel to shortest dimension)
Tamper-proof Screws
Parallel Blade Volume Damper 3000P-70X22 Residential Registers & Grilles Available 4" thru 28" roundh3. 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
DIY & DIY Tools > Workshop Equipment & Safety > Protective Gear & Fire Extinguishers" loading="lazy"/>
