Grace Glass -Glass 6-arm tree percolator precooler with herb bowl

Grace Glass -Glass 6-arm tree percolator precooler with oil dome and nail

Add extra smoke diffusion and keep ash out of your bong water with this glass precooler from Grace Glass. The slitted, reinforced 6-arm tree percolator precooler from Grace Glass breaks up smoke into smaller bubbles, filtering your hit for a cooler and smoother pull, before it even reaches the main chamber of your bong! This percolator precooler comes equipped with a 18.8 mm glass herb bowl. The perfect choice for those who enjoy concentrates. The Grace Glass logo is featured on the front of the precooler in black. This precooler fits into any bong with an 18.8mm glass-on-glass joint.