Cheap Home Air Filters
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The cheapest way to make a filter is to order a MERVE13 filter from us (by donation) and duct tape it onto your box fan. Contact us: coordinator@cleanairplan.ca. Filters are available on a first come first serve basis.
AirFilterInfographic_FINALFor more on why and how to build your own… https://pscleanair.gov/525/DIY-Air-Filter
Now Check this out!
The Corsi-Rosenthal box air filter.
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