MRC Sales & Service, Inc. 340 US Hwy 42 SE , London , Ohio 43140 USA About Solutions products Companies MRC Sales & Service, Inc. Products MRC - Model PTO - Grain Vacuum MRC - Model PTO - Grain Vacuum 0 Share Includes many pieces of tubing, piping, and a discharge cyclone (not pictured). Customer reviews No reviews were found for MRC - Model PTO - Grain Vacuum. Be the first to review! Add your review Publish your review Great! review successfully added!