Grav® Large Clear Glass Hammer Bubbler 510-Threaded The Grav 18mm Female Octobowl

The Grav 18mm Female Octobowl has a ground glass connection that will fit onto any water pipe/dab rig with an 18mm male joint

With a large main compartment

This sort of speed is simply not possible with traditional convection and conduction vaporizers

Equipped with a 14mm male joint

Grav® Large Clear Glass Hammer Bubbler 510-Threaded The Grav 18mm Female OctobowlThe Grav Large Hammer Bubbler is a compact 4 inch tall, 7 inch long glass pipe that delivers the smooth hits youd expect from a water pipe in a palm sized, hammer bubbler design. Made from high grade borosilicate glass with 32mm diameter tubing, this clear glass Grav Hammer contains a highly thermal resistant airpath that preserves the true flavors of your dry herbs in smooth moisture conditioned rips. The Grav Hammer Bubbler is equipped with a fixed