Backdraft Vertical Mount 3550-28X12

Backdraft Vertical Mount 3550-28X12h3. Standard Features * 3550 Vertical mount * 3560 Horizontal mount air up * 3570 Horizontal mount air down * 3580 Round sizes available 5" to 24" * All non motorized backdraft dampers * Dampers are opened by air pressure differential and closed by gravity * 16 gauge channel frame with 26 gauge galvanized blades * Out of airstream linkage * Blades are vee stiffened 26 gauge for strength and stability * Square steel pivot pins * Nylon bushings * Single

Plated Metal or Wood Finish available on this product

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

Full-length screwdriver operated Scoop Extractor

060 T6 extruded aluminum construction * Bar grille designed to conceal filter * Hand operated lever for easy filter access * Concealed mounting holes * Filter door hinges parallel to longest side * Filter retainers * Removable face for easy cleaning * For 1" filter (not included) * Soft White Options * 915 2 FG - 2" filter spacing (filter not included) * 915 TFG - T-Bar mount * Standard Color

2" ADC compliant round collar with a bead for ease of installation

with color matching Phillips Pozidriv screws

425 Series Submittal

Designer Color or Satin Anodized Finish available on this product

18" or 24" lengths * Soft White Options * Standard Color or Designer Color Finish available on this product

2" ADC compliant round collar with bead for ease of installation

Options * 304 stainless steel construction h3

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