While the downstem that came with your bong is an important part of your water pipe, if it’s made of glass it can crack or break. That’s why it’s a good idea to switch out your glass downstem with one made of super durable silicone like this piece from Entropy Labs.
This colorful downstem is constructed from food-grade silicone, making it virtually unbreakable. The downstem features a 18.8mm>14.5mm male joint, making it compatible with most female-jointed water pipes.
This durable, flexible, heat-resistant downstem features diffusion holes to smooth the smoke. It’s available in numerous lengths and multiple colors so finding the exact size and color you need should be easy.