Bong
（重定向自Shottie）
![A bong with a circular carburation port in the front of the bowl](/Images/godic/202502/10/Bong_glas2803.jpg")
![A bong made out of a red bell pepper.](/Images/godic/202502/10/Red_pepper_bong2803.jpg")
![Diagram of a bong in operation.](/Images/godic/202502/10/Bong.svg2803.png")
![A variety of bongs for sale, among other merchandise in Manhattan. For legal reasons, the products are labeled as](/Images/godic/202502/10/Pipe_Dreams_by_David_Shankbone2803.jpg")
A bong (also water pipe, billy, bing, or moof) is a filtration device generally used for smoking cannabis, tobacco, or other herbal substances. In the bong shown in the photo, the gas flows from the lower port on the left to the upper port on the right.