Hi Lyn , fine for dust of certain types ... I should have said asbestos dust ! Particles are carsogenic and so fine that high efficiency filters are required ( HEPA )
I was trying to ensure folks never put things like wet towels over their faces and started sweeping up Asbesto dust !
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Hi Lyn , fine for dust of certain types ... I should have said asbestos dust ! Particles are carsogenic and so fine that high efficiency filters are required ( HEPA )
I was trying to ensure folks never put things like wet towels over their faces and started sweeping up Asbesto dust !
Regards
J