Thick: The Borosilicate glass flask is made to ensure walls are thin, uniform and easy to work with. 100ml Quickfit 19/26 Joint Lab Conical Flask Erlen... – Grandado Thick Wall Glass Flask Borosilicate Glass Flask QWORK 1000ml Boiling Flask - Borosilicate Glass With 24/40 Joint | Lab Distillation Apparatus Flat Bottom Flask Heat Resistant Glass Flask Made of borosilicate glass, high quality material and perfect craftsmanship, high and low temperature resistance, chemical resistance Connection: Erlenmeyer flask with 24/40 standard conical male connector. 4 QWORK 1000ml Glass 2-Neck Round Bottom Flask with 24/40 Center and Side Standard Taper Outer Joint #5 Utile 4pcs 250ml Glass Flasks, Flat Bottom Flasks, Narrow Mouth Glass Flasks,Lab Boiling Flasks with Printed Graduation for Lab Science 4012.0250.4 #6 Capacity: 1000ml., 2 Pcs erlenmeyer flasks.
