A: The NFA is the amount of air that will pass through the vent unobstructed, it is not the square area of a vent. The hole must be the size specified to be sure of the designed airflow. If you have any other questions on Master Flow products please email email@example.com
A: Ridge vents and static vents should not be used in conjunction with each other.
A: These are designed for Asphalt shingled roofs only. Minimal pitch is 3/12, max. pitch is 12/12. Please call Master Flow Technical Services, at 80-211-9612, M-F 8A-5P EDT for additional information.
A: The HCD144WW has the same dimensions as the ERV5(1250 cfm). If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
|Brand||Active Ventilation||Master Flow||Air Vent||Active Ventilation|
|Name||14 in. Dia Aluminum Roof Louver Exhaust Vent in White Powder Coat||144 sq. in. NFA Galvanized Steel Static Dome Roof Vent in Black||150 sq. in. NFA Plastic Slant-Back Roof Louver Static Vent in Weatherwood (Sold in Carton of 2 only)||14 in. Black Powder Coated Aluminum Roof Vent No Moving Parts Wind Turbine|
|Net-Free Area (Sq. In.)||144||144||150||144.0|
|Features||Corrosion Resistant,UV Resistant,Weather Resistant,Wildlife Guard||Wildlife Guard||UV Resistant||Corrosion Resistant,Paintable,UV Resistant,Weather Resistant,Wildlife Guard|
|Mounting Position||Roof Mount||Roof Mount||Roof Mount||Roof Mount|
|View Product||View Product||View Product||View Product|