Posted by Karl on
URL: https://www.es-forum.com/low-emf-rf-rechargeable-or-battery-powered-fan-tp4036911p4036913.html

A lot of people like the O2 Cool fans. I've tried their model with two D cells and found it to be OK, not great. It runs fine on rechargeables.

You can also use a computer case fan powered by a 12V battery, and if you're handy you can make a filter