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How to make a DIY air filter

Philadelphia Inquirer reporter Tom Avril learned how to make his own air filter to (possibly) reduce indoor exposure to coronavirus. Hive76 president Tom Meyer, a biomedical engineer by trade, helped him through the steps. Here is a visual step-by-step of the process.

Philadelphia Inquirer reporter Tom Avril learned how to make his own air filter to (possibly) reduce indoor exposure to coronavirus. Here is a visual step-by-step of the process.
Philadelphia Inquirer reporter Tom Avril learned how to make his own air filter to (possibly) reduce indoor exposure to coronavirus. Here is a visual step-by-step of the process.Read moreCHARLES FOX / Staff Photographer
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