Template:Metalworking room air cleaners

Roughly these: https://www.princessauto.com/en/1200-cfm-3-speed-air-cleaner-with-remote-control/product/PA0009157579

pre-filters: https://www.amazon.ca/dp/B093FDCR4X?ref=ppx_yo2ov_dt_b_fed_asin_title
bag filters: I think we got some from BGE last

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