Pay in 4 interest-free payments of $258.63 Learn more
Ships within 48 hours · Estimated delivery Oct 27 - Nov 1
Options 14 GA 304 SS Construction
available 4" through 40" round (2549)
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 24" Duct Opening (front blades parallel to shortest dimension)
Double deflection transition box mount spiral pipe grille
Standard Features * Round 1-1/2 hour fire damper * Horizontal or Vertical installation * UL and California State Fire Marshall approved * Damper construction meets NFPA 90A requirements * Stainless steel curtain * 16 gauge steel frame * UL listed fusible link
Parallel Blade Volume Damper 3000P-64X28 Step Down Ceiling Diffuser Options 14 GA 304 SSh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control
US$ 139.00
US$ 110.32
