Dutch Crown Device for Knockbox 100 - King Size Glass They provide a protective layer

They provide a protective layer between your mouth and the toxic substances and carcinogens released while smoking

These tubes are made of durable hard plastic and are designed to withstand drops without breaking

there is an air hole (carb hole) at the end of the pipe

-long of cable display : 100 cm

One package consists 1000 tubes with caps

Dutch Crown Device for Knockbox 100 - King Size Glass They provide a protective layerDutch Crown Device is the quickest and easiest way to finish off the cone filling process with the Knockbox. The Dutch Crown Device gives each cone in the machine a tight Dutch Crown folded top to seal the end. This device is compatible with king size pre rolled cones, and works with the Knockbox 3 100