|This Red/Black Halo rig features a 90 degree reinforced 14mm female joint. The signature Twerk percolator on this model allows for a mellow pull, smooth air flow, and a beautiful bubbling affect. Made of 5mm thick American borosilicate glass. Black accents at the lip and base with red Nexus logo decals on the neck, dome, and body. The male rig is ideal for oils and concentrates, but reverse bowls are available for this style to accommodate flower smokers. Made in Los Angeles, California.