A very rare base from russia usually seen on premium set ups such as Matt Pear. It's now sold as a base alone here on ShishaHaven!
Usually compatible with russian pipes such as matt pear, union and more.
Please do check specs below as each of your pipes will have different grommets and vary in thickness.
Base insert Inner diameter 1 3/4 inch
Base insert outer diameter 2 3/4 inch