Check out this thread:
I tried the Vivosun 4" 190 CFM, but I didn’t feel like it had enough power, so I went with the Vivosun 6" 390 CFM and continued the 6" out the window.
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Check out this thread:
I tried the Vivosun 4" 190 CFM, but I didn’t feel like it had enough power, so I went with the Vivosun 6" 390 CFM and continued the 6" out the window.