The turbine perc straight tube by Purr is made using thick 4mm glass. The turbine perc helps diffuse your smoke for smooth hits. Stack some ice onto the triple ice pinch for additional cooling. This piece stands 12'' inches tall with a 3.25'' base diameter. The joint is a 14mm female joint and includes 14mm male bowl. Made in California using high quality borosilicate glass by Purr Glass. Purr Glass orders take an additional 2-3 business days to process.