Ecological and durable, the multi-purpose cleaning brush is ideal for cleaning graduated cylinders, among other things.
Two sizes available:
1. Small btest tube rosette with nylon bristles
Good quality nylon bristles, mounted in thick galvanized wire.
2. Medium test tube brush with natural bristle (plant fibre)
Good quality natural bristles, mounted in a thick twisted galvanized wire.
The wire handle is also flexible to make it easier to reach the lower edges of the glass.
Clean the brush by hand only.