i don’t know about you; that’s 3 pounds in my book all day long. there are sample projects for various application types (e.g. high-low volume control: 2 shift volumes to adjust and meet for different time and environmental needs. let us know in the comments down below. to say that i am not impressed by all this is an understatement. trees and plants are beautiful and useful but when they die, fall over, get infected or become overgrown they can be quite the pain. continue to use after changing the filter bag. what is cross-site tracking and third-party cookies? 