PERFECT 613B #2 Rubber Stopper 20mm (4) PEFX0643

Description

This Package Contains Four 20mm Top Diameter Rubber Stoppers for Laboratory Glassware by The Perfect Parts Company. FEATURES: Size 2 assortment. Fit test tubes, flasks and other lab glassware. Assortment includes (1) solid, (2) one hole and (1) two hole stoppers. Taper from top diameter. Lab grade equipment designed for all general lab work. YOU WILL RECEIVE: Four Rubber Stoppers SPECIFICATIONS: Top Diameter: 20mm kr4/24/01 ir/jl &