The Fresh 80 is a smaller version of the Fresh 100. Use the Fresh 80 to bring outdoor air through the vent’s filter and into your home, providing make up air for today’s tighter homes. Mount the unit near the ceiling of any room that has a wall to the exterior. This passive vent requires no electricity. It will draw in fresh air whenever pressure in the home calls for it. A string can be pulled to close the unit on very windy days. Measurements Fresh 80 over all length 9 1/2″, length of tube 6 1/2″, tube diameter 3 1/2″. Six inch extension tubes are available here.
This unit provides fresh air by efficiently mixing outdoor air with indoor air. This is accomplished with either mechanical exhaust ventilation or self-induced air supply. This unit also features adjustable airflow, insulation to eliminate condensation and reduce sound penetration, and dust and insect filters.