Fresh 80 Replacement Filters
Fresh 80 Replacement Filters can be washed, but should be replaced about every 6 months. Just remove the interior vent cover, remove the old filter and put in the new one. These filters can also be vacuumed cleaned on a regular basis. For complete instructions regarding your Therma-Stor product, please refer to your product’s manual.
The Fresh 80 provides fresh air by efficiently mixing outdoor air with indoor air and can be mounted near the ceiling of any room that has a wall to the exterior. Furthermore, this passive vent requires no electricity. Finally, a string can be pulled to close the unit on very windy days.