Glass replacement bowls for Piecemaker Gear silicone bongs and pipes are now available! The limited-edition handcrafted boro glass bowls feature diffusion holes and fit perfectly in Kirby, Kali, Kermit, Kolt, Karma or Kazili pipes. They are also made to fit with Piecemaker silicone replacement downstems. These quality glass flower bowls are easy to remove and insert and make a wonderful upgrade to your silicone piece. Shop online through our wide selection of silicone pipes, bongs and smoke accessories available at Aqua Lab Technologies today.