4" Dryer Vent Fan Adaptor Great for Shed, Coop, RV

Needed a powered vent for my shed and had plenty of 120mm fans laying around.  

Parts needed:

-This uses a Cheap 4" dryer vent that was purchased at Home Depot .  Clips are designed to snap in place 

https://www.homedepot.com/p/Everbilt-4-in-Dia-Dryer-Exhaust-Pipe-White-Louvered-Hood-HS4W-18RHD/205046974

-120mm X 38mm fan or similar 

-M4 locknuts

-M4 screws that hold fan on.  Many fans include these.

Part is designed with directional blades to promote laminar flow

nut pockets hold the M4 locknuts to make installation easy

I power this with a small solar panel that helps the unit run during the day when its hot outside