TRI-BUILT® CUTTINGEDGE 8″ Hooded Vent meets the increased air flow requirements of newer high efficiency HVAC Systems. It can be installed with an 8″ or 7″ diameter tube (not included). Adapter for 7″ diameter tube is included.
• Concealed exhaust flap.
• Wire screen included.
• 48 sq. in. net free ventilation area.