Quote Originally Posted by jack620 View Post
There's no doubt the cyclone is the biggest loss in my system as measured with the power meter. But it was more than offset by replacing the needle felt bag with two pleated filters. And I CAN tell that by placing my hand at the inlet! There's substantially more airflow.
Even better when you can eliminate the filter altogether and just vent the exhaust from the blower directly outside the shed and let the breeze take the fine dust away