I was worried about this purchase seeing mixed reviews for the previous model but my friend owns 2 of the previous model and swore by it. I can easily tell this version is upgraded and doesn't have any issues the following model may have (seemed like user error a lot of the time anyway). If you want to sit and puff on it all day i recommend just plugging it in between uses. The magnetic charger makes this effortless. I also dont even really have to clean it. At most i take it apart(with ease), unclog 1 air hole, and put it back together. Usually the air hole doesnt become clogged and i also clean the rest just because but the way the chamber works, virtually no goo or ooze makes it through. I imagine putting concentrate through it would gunk it up to some degree though. Overall the high is amazing, the flavor is amazing, the draw is just right as i dont care to have massive clouds as it is unnecessary(you will still get nice hits). Very very happy with my purchase. Thank you. I got the bundle and recommend grinder as well. It seems trivial but the dispenser fits perfectly with the flower chamber for easy bowl loading.