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InvisibleRogerSmith

Registered: 01/29/15 Happy 9th Shroomiversary!
Posts: 365
Advice on HEPA
    #22021899 - 07/30/15 08:30 PM (8 years, 5 months ago)

Hello people,

I am going to build my flow hood, I have been searching for hepa filter, and I am choosing between two filters.
I am still new with this and I would really appreciate feedback before I buy any of them.

Filters are 30x24x6. Surface of filters is 5 square feet. Desired air speed is 100 - 150 feet/min. I want 500-750 cfm.

Filter 1 have optimal working pressure at 450-600 Pascals - around 2" W.G. Optimal air flow is 853 cfm. Optimal cfm are above the range of what I want but they are close.
Filter 2 has optimal working pressure at 250 Pascals - 1" W.G. Optimal air flow is 1236 cfm. Optimal cfm aren't in the range of what i want. How would filter perform at lower cfm that is optimal for it? Is it usable if I mount 700 cfm blower on?



Are any of those filters good? Would lower cfm than stated disrupt laminar flow? Filter 1 is unusable due to it's high static pressure despite the fact it has correct cfm output, right?


Both filters are suprisingly cheap, I don't know exactly but they are bellow 130$


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