GRAV Labs doesn’t stop at premium pipe making. Getting down to the details, these Austin glass masters deliver excellent accessories to optimize all standard female water pipes. Grab an instant upgrade with the GRAV Labs Male Replacement Bowl in 10mm, 14mm, 18mm male joint sizes. Thick scientific glass forms a deep set funnel for a generous portion of fresh cut dry herb. A sturdy maria ring doubles as a solid grip as you insert and remove the dry herb slide. A frosted ground glass tip secures the piece in place on your favorite female pipe. GRAV Labs made their powerful first impression on the glass scene with the game-changing Gravitron and haven’t settled yet. The Helix, Jane West Collection, and Upline design all function flawlessly with this Replacement Bowl for premium performance. Browse our full lineup of GRAV Labs diffused downstems and dual function adapters for a full set of essentials.