Zob Straight Tube Bong with Two 8 Arm Tree Perc This straight tube from Zob Glass is the perfect pipe to pass around with friends. It stands approx. 19 inches tall. This beauty features TWO reinforced 8 arm tree percolators. This fucker is a percolation machine! It has a splash guard and a three-prong ice pinch. The diffused down stem adds another level of diffusion to your smoke. This pipe is made of 5mm. thick American made glass. It has a 14mm. ground glass slide. This fucker rips! Zob goes to great lengths to make sure each piece is one of a kind, so the label you get will most likely be different than the one pictured. - Perc: Two Reinforced 8 Arm Tree Percolators - Features a Splash Guard and Three Prong Ice Pinch - Height: 19.00 inches - Base Width: 5.00 inches - Glass Thickness: 5.00mm. - Tube Diameter: 40.50mm. - Down Stem: 6.50 inch Diffused Down Stem - Slide: 14.00mm. Ground Glass Slide - Made in California