Looking for a replacement downstem for your favorite bong? We got you covered! Available in a wide variety of sizes and lengths, our scientific downstems feature precision cut slits on the base for extra diffusion and an open end to prevent clogging.

• Multi Slit Scientific Downstem
• Wide Variety Of Sizes
• Precision Cut Slits

18mm to 14mm Downstems available in various sizes and lengths

*SHIPS FREE IN THE U.S.*