The Fresh 100 is a larger version of the Fresh 80. Use the Fresh 100 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 have an overall length 9 1/2″, length of tube 6 1/2″, tube diameter 4 1/8″, hole size 4 1/8″, max wall thickness is 9 1/2″ . Six inch extension tubes are available.
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. The Fresh 100 features adjustable airflow, insulation to eliminate condensation and reduce sound penetration, and dust and insect filters.