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Homemade Air Filtration System | WoodWorkers Guild of America
Aug 23,  · I hope you enjoy your Shop Hacks Ultimate DIY Air Filtration System! It will be a great add to your shop and your lungs and heart will thank you for many years to come. 6 Comments Scott. 3/24/ pm. Love this design and the work you put into to testing it out. Makes total sense to not stack the filters like I've seen other DYIers do. Oct 20,  · My shop/garage is 22′ x 22′ x 10′ = 4, cubic feet, sq ft. So if my math is right, my fan should exchange the air in my shop in about 4 to 5 minutes. That sounds good to me. I installed mine between the trusses in the attic, (Photos 4a and 4b) only the filters . Nov 24,  · In comparison, MERV filters rated between 8 and 13 (MERV is a rating system from 1 to 10 that measures the effectiveness of an air filter), like the one I used, get rid of around 90 precent of.

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