German engineering at its finest. Originally created in 1995, this German based glass studio brings quality to America. ROOR is one of the first scientific glass companies and can be attributed with revolutionizing the glass pipe industry. These tubes are of the highest quality available. Clear, Pure, Smooth.14″ Two Tone Roortech Tube14″ Two Tone Roortech Beaker14″ Two Tone Roortech TubeTwo Tone Roortech Tree Perc Sidecar18″ Oversized Tubing Beaker with 10-1 Downstem18mm Roor Tree Perc Ashcatcher18″ Accented Beaker and Gold Labeled Drinking Glass12″ Clear Beaker with Sandblasted Koi Fish Art and Artist SignaturePurple 8-Arm Tree Perc Sidecar18″ Clear Beaker with 44mm Tubing and Artist Signature