Twister T4 Variable Speed Control BoxTake Control With The All New Twister T4 With Variable Speed Control Every production is different, from the process, facility type, scale, cultivar types, and revenue streams. Whether your goal is to maximize trimmed flower quality, increase blade contact, or produce high quality extraction ready trimor all of the above, customization is key. The new T4 Speed Control Box allows you to customize tumbler and blade speed as well as decrease vacuum