Grav Labs 18.8mm Male Funnel Bowl

This Grav piece is the perfect replacement or spare bowl for your smoking experience.

This 18.8mm male joint features a glass “maria” around the stem and connects with any bong or bubbler with an 18.8mm female joint. This piece also features a built-in glass screen with slits to add filtration that allows better airflow for smoother, more satisfying hits.

This bowl is made of quality glass construction and features the Grav labs logo on the side.