Dr. Dabber designed this Replacement Glass Percolator specifically for the Boost EVO. This vaporizer bubbler attachment is made with thick borosilicate glass and uses water filtration for cooler hits. This accessory is easy to install on your EVO and allows for hassle-free cleaning. The Dr. Dabber Boost EVO Replacement Glass Percolator is an OEM (original equipment manufacturer) replacement part designed specifically for use with the Dr. Dabber Boost EVO Vaporizer.