Get current pricing for Heidolph, Hei-VAP HL/G1 Heidolph Rotating Evaporator Hei-vap Advantage Hl/g1. With Water Bath. Diagonal Condensor G1. Handlift. Speed Range: 20-280 Rpm. New! Manufacturer S G . Product Category: Lab Equipment, Sub Category: Evaporators / Concentrators: