19mil GLASS ON GLASS CHARCOAL FILTER WITH CHARCOAL. GGCCL-1B
This hard to find male to female charcoal filter has a 14mil male fitting and a 19mil female fitting. Fits into 14mil female fitting on water pipe and allows conversion to use 19mil male accessories. Comes with charcoal. Made exclusively by Puffin Glass.
Please see Glass Accessories Measuring Guide.