FloAire GV18FA Gravity Vent, 5040 CFM, With Motorized Back Draft Damper
$463.56
FloAire GV14FA Gravity Vent, 3400 CFM, With Motorized Back Draft Damper
$390.01
FloAire GV12FA Gravity Vent, 1600 CFM, With Motorized Back Draft Damper
$331.32
FloAire GV10FA Gravity Vent, 1420 CFM, With Motorized Back Draft Damper
$318.51