The GRAV 14MM Helix Bowl is a high-quality glass bowl designed for use with water pipes. Featuring a unique helix design, this bowl provides a smooth and enjoyable smoking experience. Made from durable borosilicate glass, it is built to last and withstand frequent use. With a 14mm joint size, it is compatible with a wide range of water pipes. Keywords: GRAV, 14MM, Helix Bowl, glass bowl, water pipes, borosilicate glass, joint size.