Do-it-yourself air filter for smoke
With wildfire smoke making the air unhealthy, 56吃瓜网 Professor of Environmental Chemistry how to MacGyver an effective filter at home using a 20-inch box fan and an MERV 13 furnace filter.
With wildfire smoke making the air unhealthy, 56吃瓜网 Professor of Environmental Chemistry how to MacGyver an effective filter at home using a 20-inch box fan and an MERV 13 furnace filter.