Original DURAN® Erlenmeyer flasks are ideal for use in laboratories.

Higher impact strength, mechanical strength and stability achieved by reinforced rim.

Erlenmeyer shape, vacuum resistant due to the heavy wall thickness.

Without certificate of conformity, scratched graduation mark and octagonal stopper from PE. White print with batch certificate.

Tight closure due to standard ground joint.

Vacuum resistant filtering flask due to the heavy wall thickness, bottle shape.

Vacuum resistant filtering flask due to the heavy wall thickness, bottle shape.

Vacuum resistant due to the heavy wall thickness.

Wide neck enables easy filling and cleaning.

Higher impact strength, mechanical strength and stability achieved by reinforced rim.

Four baffled-bottom flasks cause a turbulent flow, increase the gas exchange surface and produce a higher oxygen transfer.

Four baffled-bottom flasks cause a turbulent flow, increase the gas exchange surface and produce a higher oxygen transfer.

Flat base means flasks can be set down without a supporting ring.

Geometry permits very uniform heating.

Round bottom borosilicate flask, 500 mL with 24/29 standard taper joint.

Geometry permits very uniform heating. Unbadged for glassblowers and lampmaking.

Original DURAN® Erlenmeyer flasks are ideal for use in laboratories. Unbadged for glassblowers and lampmaking.

Round bottom borosilicate flask, 1000 mL with 50/30S ball joint socket, with thermowell.

With removable plastic hose connection (PBT), short and long screw (PP), seals (VMQ, EPDM). Suitable for filtering flasks 100 – 20 000 mL.

These flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks which are tooled for snap-cap fit.

These flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks, tooled for ST stoppers.

These flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks which are tooled for standard taper stoppers.

These Flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks which are tooled for standard taper stoppers.