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Old 04-04-2020, 11:29 AM   #578 (permalink)
Piotrsko
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If you are looking for filtration materials, try high merv pleated heater filters, some filter 1/2 micron and about $5 for a couple square ft area.

Don't breath fiberglass. Surfboard makers got lung issues back in the 70's, as did most other 'glass fabricators. Way too expensive to add glass to vacuum filters when spun polypro is cheaper.
 
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