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48 Gravity Ventilator
Gravity Ventilator, Low Profile, Fan Size: 48", Fan Not Included, Damper Size: 49" x 49", Base Dims: 54-1/2" x 54-1/2", 7,300/456 CFM/Throat Velocity @ 0.050-in SP Gravity Intake, 10,324/645 CFM/Throat Velocity @ 0.100-in SP Gravity Relief, 11,542/721 CFM/Throat Velocity @ 0.125-in SP Gravity Intake, 14,600/912 CFM/Throat Velocity @ 0.200-in SP Gravity Intake, 16,323/1,020 CFM/Throat Velocity @ 0.250-in SP Gravity Intake, Max Intake CFM/Throat Velocity 20,766/1,240, Construction Material: Galvanized Steel, Designed for Applications That Require Nonpowered Ventilation or Can Be Used in Conjunction With Powered Exhaust, Supply, or Reversible Fans, Weathertight Hood Is Constructed of Interlocking, Arched, Galvanized Steel Panels, Bird Screen and Hood Come Preassembled, Base Requires Field Assembly With Included Hardware, Overall Dims:
$699.99
48 Gravity Ventilator—
$699.99
Description
Gravity Ventilator, Low Profile, Fan Size: 48", Fan Not Included, Damper Size: 49" x 49", Base Dims: 54-1/2" x 54-1/2", 7,300/456 CFM/Throat Velocity @ 0.050-in SP Gravity Intake, 10,324/645 CFM/Throat Velocity @ 0.100-in SP Gravity Relief, 11,542/721 CFM/Throat Velocity @ 0.125-in SP Gravity Intake, 14,600/912 CFM/Throat Velocity @ 0.200-in SP Gravity Intake, 16,323/1,020 CFM/Throat Velocity @ 0.250-in SP Gravity Intake, Max Intake CFM/Throat Velocity 20,766/1,240, Construction Material: Galvanized Steel, Designed for Applications That Require Nonpowered Ventilation or Can Be Used in Conjunction With Powered Exhaust, Supply, or Reversible Fans, Weathertight Hood Is Constructed of Interlocking, Arched, Galvanized Steel Panels, Bird Screen and Hood Come Preassembled, Base Requires Field Assembly With Included Hardware, Overall Dims:
