Sheldon Black 19/14mm 16 hole diffused stem.  Replacement stems for Sheldon Black Grasso bongs or upgrade the Sheldon Black Medio straight stems with these bullet hole diffusion down stems.

Black stems have been discontinued by Sheldon Black.

See more Sheldon Black accessories here.

Reorders:

Clear Straight: SB-DIFF-ST-B

Clear Beaker: SB-DIFF-BK-B

Black Beaker: SB-DIFF-BK-B-BLACK