Molotow B series refill extender 16mm The reload extension allows for easy and clean reloading of MOLOTOW markers, without getting your hands dirty. By doing so, there is no need to purchase a new marker, making them an economical and environmentally friendly option. Refilling the marker can be done using the desired refill ink. The B series is suitable for all 200 series pumpmarkers (⌀ 16mm). Works for all 200 series markers such as 227HS or 211EM. Contains 1 unit. Brand: Molotow.