PrimeUP Extension FOR PRIMEUP AND MINIBALANCEThe three different PrimeUP and MiniBalance models are distinguished by the extension under the base. PU1 and MB1 are supplied without extension, PU2 and MB2 with one extension and PU3 and MB3 with two extensions. Listing Back To Top Design Visualizer Previous Next Downloads Product Info About Media Specs Specs Add to Project+ Favorite User Feedback