Curved Nylon Flask Cleaning Brush, 15" Glass Flasks_Volumetric Flasks - Class B Claisen adapter in heavy-duty borosilicate

Claisen adapter in heavy-duty borosilicate glass features two parallel necks with 19/26 sockets for vacuum distillation and chemistry procedures

Sliding-rail aluminum bench with 1

Open-top cylindrical dropping funnel in borosilicate glass holds 50mL with PTFE key stopcock for controlled liquid addition in chemistry procedures

Built for optical surfaces

drop-tube sterilization

Curved Nylon Flask Cleaning Brush, 15" Glass Flasks_Volumetric Flasks - Class B Claisen adapter in heavy-duty borosilicateBristled along a stainless steel twisted wire handle, this curved flask cleaning brush scrubs the rounded interior of beakers, flasks, jars, and vases up to 6. 25 inches across.