Bathroom ventilation in a van conversion. Toilet and shower diy fan ventilation system. RV air vent

I finish my vantilation system for toilet and bathroom and it sucks! (in a good way).

Did some air tests to be sure it works. Not yet tested in real life tho.

Turbine 12v fan - https://goo.gl/9SaQmN
Fan spped controller - http://s.click.aliexpress.com/e/ZvzFyVZ