Straight Pattern Rotaflow Stopcock, Borosilicate Glass

This Eisco Labs Rotaflow Stopcock features a straight pattern with a 0–3mm bore, made from borosilicate glass. Designed for use with burettes, the rotaflow mechanism provides smooth, one-handed flow control. The plain bore design allows precise adjustment of liquid flow rates. Borosilicate glass construction ensures chemical resistance and durability. Suitable as a replacement part for laboratory burettes and other glassware requiring stopcock fittings.