erall, an ""18"" Shower Head Tube with Perc"" glass bong combines a tall, sleek design with advanced percolation for smooth hits and impressive aesthetics, making it a popular choice among enthusiasts looking for a high-quality smoking experience. Features Height: The bong stands at 18 inches tall, making it a larger-sized water pipe. This height allows for larger smoke chambers and can provide impressive visual aesthetics. Material: Made from high-quality borosilicate glass, renowned for its durability and resistance to thermal shock. Borosilicate glass ensures a clean and smooth smoking experience without affecting the flavor of the smoke. Design: The ""tube"" design typically refers to a straight, cylindrical shape for the main body of the bong. This design is classic and straightforward, allowing for easy cleaning and maintenance. Percolator: Features a showerhead percolator, which is located inside the main chamber. This diffusion process increases the surface area of the smoke that interacts with water, resulting in smoother and cooler hits.