The Mastercool R-134a Mobile Monster, No. 91788, is a heavy duty workstation built to endure in any environment, from challenging fieldwork to regular usage. It features a steel framework and reinforced components as well as four extra-large 10” pneumatic off-road tires to ensure optimal performance and smooth navigation. Additionally, it includes a four-way aluminum manifold, a black series electronic charging scale, a 6 cfm two-stage black series vacuum pump, a twin turbo refrigerant recovery machine, nylon barrier hoses, a high-side manual R-134a coupler, a low-side manual R-134a coupler, and an R-134a adapter.