20.18.12 Adapter Patented dispensing mechanism prevents waste. The Tear Tube Pro's unique interlocking gear mechanism dispenses a perfect 2 ply towel everytime - fully open, ready to use. With stringent portion control, there's virtually no waste, and less need to fill. An easy retrofit solution To take advantage of it's advanced dispensing capabilities, the innovative Tear Tube Pro can be used with the TORK M-Box or TORK Mini-Box plastic dispensers.