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Offlineohfunkya
Traveler.
I'm a teapot


Registered: 01/20/19
Posts: 72
Loc: Canada Flag
Last seen: 3 years, 16 days
Laminar flow bench questions
    #26869190 - 08/07/20 09:31 PM (3 years, 6 months ago)

Hey guys so I'm looking at HEPA filters for my flow bench setup. I'm having troubles with the calculations for this filter and figuring which blower to get with it, any help or tips would be very much appreciated !! <3

https://www.grainger.ca/en/product/HEPA-AIR-FILTER%2C24X24X5/p/WWG19RR64


24x24x5
Recommended Final Resistance: 0.9" WC
Air Flow @ 300 fpm 1200 cfm
Air Flow @ 625 fpm 2500 cfm
Air Flow @ 500 fpm 2000 cfm


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Offlinebrad81684
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Registered: 11/13/19
Posts: 44
Last seen: 25 days, 15 hours
Re: Laminar flow bench questions [Re: ohfunkya]
    #26869245 - 08/07/20 10:24 PM (3 years, 6 months ago)

If the link is correct and you're buying a $650 filter, you can find MUCH cheaper. I got a flanders 24x24 for $175 with shipping. As far as the blower speed goes, you can install a variable speed controller to dial down the power if it's blowing too hard.


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Offlineohfunkya
Traveler.
I'm a teapot


Registered: 01/20/19
Posts: 72
Loc: Canada Flag
Last seen: 3 years, 16 days
Re: Laminar flow bench questions [Re: brad81684]
    #26869255 - 08/07/20 10:31 PM (3 years, 6 months ago)

I have been having such a hard time finding anything proper sized in Canada at a decent price 😣 and don’t really think international is the smartest decision cus of covid shipping times


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Offlinebrad81684
Stranger
Registered: 11/13/19
Posts: 44
Last seen: 25 days, 15 hours
Re: Laminar flow bench questions [Re: ohfunkya]
    #26869267 - 08/07/20 10:40 PM (3 years, 6 months ago)

Valid points, I would say to keep looking. You've gotta be able to find something cheaper.


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Offlineohfunkya
Traveler.
I'm a teapot


Registered: 01/20/19
Posts: 72
Loc: Canada Flag
Last seen: 3 years, 16 days
Re: Laminar flow bench questions [Re: brad81684]
    #26869883 - 08/08/20 11:00 AM (3 years, 6 months ago)

I’ve been calling a buncha local shops. Can’t find anything reasonably priced 😖


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Offlineohfunkya
Traveler.
I'm a teapot


Registered: 01/20/19
Posts: 72
Loc: Canada Flag
Last seen: 3 years, 16 days
Re: Laminar flow bench questions [Re: ohfunkya]
    #26869930 - 08/08/20 11:39 AM (3 years, 6 months ago)

pricing isn't my biggest concern right now though, been battling contams this summer and wanna tie up all loose ends to ensure things go well! aslong as its local and it works well :smile:


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