Nice Glass™- 17 inch 10-Arm Tree Perc BongGet ready to experience the smoothest hits you never thought possible with the Nice Glass 17 inch 10 Arm Tree Perc Bong! The large 10 arm tree perc is a game changer. It breaks down the smoke into tiny bubbles to maximize filtration and aeration. Each arm has slits that diffuse your smoke separately, giving you soft buttery smooth hits that you barely feel. The result is a cooler, cleaner, and more flavorful hit with less harshness on your throat.