The GRAV 3" Mini Hammer Bubbler is a compact and portable smoking device that combines the convenience of a bubbler with the power of a hammer pipe. Made from high-quality borosilicate glass, this bubbler features a fixed downstem and a built-in bowl for easy use. Its small size makes it perfect for on-the-go smoking sessions. Keywords: GRAV, Mini Hammer Bubbler, smoking device, bubbler, hammer pipe, borosilicate glass, fixed downstem, built-in bowl, portable, on-the-go.