Get current pricing for Tolan, Tolan 220 GAL Stainl 220 Gallon (175 Gallon Working Capacity) Tolan Stainless Steel Fermenter. Rated 35psi/fv @ 300 °f Internal, Rated 50psi/fv @ 300 °f On . Product Category: Lab Equipment, Sub Category: Fermenters / Bioreactors: