Costway 4" Inch Inline Duct Fan Ventilation Exhaust Plastic Fan w/Speed Controller

from Anonymous User

We have a sun room that gets too warm and a basement that is too cool. I cut the heat duct in the basement that went to the sun room and set up the blower to blow the basement air to the sun room register. When I open the sun room door about 3 inches I feel a cool breeze coming out so I know the ...

from Anonymous User

The 4 inch inlet and exhaust are the same size as standard dryer vents, and dryer ducting. I used my cooling fan to suck out the hot air from a home audio / video rack, and dump it out thru a dryer vent. Seems to work well, it's a little loud, but it really works quite well. Very reliable too.

from Anonymous User

Using it to boost the air in a bedroom so that it will finally get some heat. Usually we have to use a space heat in the bedroom but because of the fan we haven't needed it. It has been working great since I installed it a month ago. I used a temp sensor, sold separately, so that it only turns on...

from Anna

I use two of these fans on a 2'x2'x4' mylar tent that's housing a cryptocurrency mining rig. The rig is consuming about 1300 watts. One fan is used as the intake fan, pulling filtered air from outside, and the other is the outlet fan, which can be used to heat the room during the winter or be pum...

from JCesar

I installed this fan in attic above bathroom . About 8 ft away from ceiling grill. I used a 6" flex duct to connect fan.It's amazing how powerful and quiet it is. A far cry from the 50 cfm helicopter I had before. You have to install a speed switch to regulate cfm. Or you will remove much more cf...