Dust Shroom

Cloud Surfer

Cloud Surfer

Member
Will these filters work on passive intakes, or do they need a fan in order for air to come through? I did a search and couldn't really find an answer. I was hoping to use this on a passive intake pulling air from outside into the basement, as well as 2 passive intakes on my tent.

I've read where people claim these filters are quite restrictive, leading me to think I'd need a fan. However, the websites selling them make claims as to "zero cfm loss" so that leads me to believe they just might work on passive intakes.

Sorry if this has been covered, I did do a search but couldn't find any definitive answers. They're not the cheapest so before I purchase 3 of them and some rejuvenation kits I'd like to make sure I'm not wasting my time/money.
 
pulpoinspace

pulpoinspace

Well-Known Member
i'd use a fan. i tried using the 4" one passive and i got huge amounts of negative pressure and the air started smelling like shit. Took the shroom off and went back to a pantyhose and my airflow went back to normal. might've just been a bad shroom?
 
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Cloud Surfer

Cloud Surfer

Member
pulpoinspace said:
i'd use a fan. i tried using the 4" one passive and i got huge amounts of negative pressure and the air started smelling like shit. Took the shroom off and went back to a pantyhose and my airflow went back to normal. might've just been a bad shroom?
Click to expand...
I thought negative pressure in a tent was a good thing, ensuring good air exchange and odor control?
 
pulpoinspace

pulpoinspace

Well-Known Member
Negative pressure is a good thing

"huge amounts of negative pressure" might not be and air that is "smelling like shit" is def bad. contacted their CS and they said i needed to "clean and re-oil" my shroom. i tossed it.

but what do i know. enjoy the shrooms. bongsmilie
 
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