| Passive Inlet provides makeup (outside) air to help balance indoor vs. outdoor air pressure. Advantages include foam pad reduces outdoor noise and condensation, insulation lining to prevent condensation, durable ABS and PP resin body, 7 stainless steel installation screws included.2 Position Air Delivery: Yes Bug Screen: Yes Durable ABS and PP Resin Body: Yes Foam Pad: Yes, to reduce outdoor noise and condensation Insulation Lining: Yes, to prevent condensation Setting Positions: Closed, 12 and 18 CFM Stainless Steel Installation Screws: 7 included Sturdy Open Close Lever: Yes Through - the - Wall Sleeve: 3 diameter, 12 inch length Use: Provides fresh make up (outside) air to help balance indoor vs. outdoor air pressure Wall Mounted: Yes Wall Opening (diameter): 3 Washable Air Filter: Yes |
