Some things you learn the hard way...

[unitedcases]

A little bump for this thread. I am looking to buy a air filtration unit for my little shop. I was looking at the g0738 model, grizzly one that moves 490 cfm at its highest setting. Can anyone tell me if they think this is a good size? My area is only 8x12 with about an 8ft tall ceiling at its peak. I have dust collection and running air and heat. So my thought was I didn't need much movement for the air. Thanks for any help.

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[Bigtyme]

If I did the math correctly, your shop is a little under 800 cubic feet so this unit would move move the air in the shop through the system about every 2 minutes which is great. Even with good dust collection, there is a ton of dust left in the air and a good filtration system is well worth it.

[unitedcases]

Yep. Your right. Even on low setting it is 260 cfm which will still move the air every 3 minutes. I think that is the one I will go with. Thanks.

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[chief2007]

Yep. Your right. Even on low setting it is 260 cfm which will still move the air every 3 minutes. I think that is the one I will go with. Thanks.

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Take a look at this unit - Looks to be the same except for the name. Free shipping as well. http://www.amazon.com/Shop-Fox-W1830...ter%2C+3-Speed

[unitedcases]

I feel like I owe you some money chief. Everytime I throw something out there you save me some money. I am definitely going with that one. Thanks again.

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[wlkjr]

I use a homemade system built with a squirrel cage motor out of an old furnace. It has a high and low speed and works well in my 20x40 shop. I can spray some black spray at one end of the shop and in about 10 seconds the filter will start to turn black.

[unitedcases]

Very nice. It would take me forever to make something like that. Unless I could carve it.

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[unitedcases]

Well...the shop fox air filtration unit came today. It is solid. Very quiet, only uses one amp and does a great job cleaning the air. Just throwing that out there for anyone who is in the market for one. Great deal!

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[wlkjr]

How much do those weird size filters cost for it?

[unitedcases]

No idea. I plan to measure it and see if I can find a contractor pack for it. The outside one is supposed to be replaced but the inside ones are really just dust bags but they are 1 Micron. But they are washable.

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