25 years of pumping success shop now Celebrating BULGE WEAR For the men who need extra room starting at $17.00 shop now Monster Tube Be the envy of the block $320.00 shop now About Monster TubeI just wanted to give a brief history of why and how these tube came about. I have been vacuum pumping since 1972 and at that time you could not purchase any tubes. You had to make them yourself. As all pumpers do, we continually grow and have to buy new, larger tubes to accommodate our genitalia and eventually we all had to get two-stage tubes. Learn about Monster Tube Monster Tube $320.00 Add to cart Show Details Monster Tube Jr $320.00 Add to cart Show Details Nylon/Lycra Brief $17.00 Select options Discreet Shipping We respect your privacy. All orders are packaged and shipped in plain, unmarked brown paper boxes with no identification.