GRAV 14mm Male/14mm Female Dropdown Adapter the combined internal chambers function

the combined internal chambers function as a percolator - using small connecting holes between the upper and lower chambers and forcing together hot

5" x 8" x 0

but they're all gorgeous

Each pipe is made from high quality borosilicate glass and measures 5" in length

thick borosilicate glass and featuring glass marbles around the bowl for a comfortable grip

GRAV 14mm Male/14mm Female Dropdown Adapter the combined internal chambers functionThe dropdown by Grav (formerly Grav Labs) are designed to keep your pipe (and face) safe against extreme heat and allow the smoke for more cooling time before inhalation. Use with 14mm male or female joint and keep your connections the same. Borosilicate Glass Grav Decal Keeps Heat Away More Cooling Time Keeps Current Piece Joints Same Length: 4" Joint: 14mm Male 14mm Female