Panasonic Passive Inlet Vent. Brings outside air into your home to balance indoor vs. outdoor air pressure.
Features
• Sturdy open/close lever
• 2 position air delivery
• Washable air filter
• Bug screen
• Foam backing reduces outdoor noise and condensation
• 3 inch diameter, 12 inch length through the wall sleeve
• Durable ABS and PP resin body
• Stainless steel installation screws included