19mil GLASS ON GLASS CHARCOAL FILTER WITH CHARCOAL. GGCCL-1B
This hard to find male to female charcoal filter has a 19mil male fitting and a 19mil female fitting. Fits into 19mil female fitting on water pipe and allows use 19mil male accessories. Comes with charcoal. Made exclusively by Puffin Glass.
Please see Glass Accessories Measuring Guide.