DURAN® graduated laboratory bottles are chemically resistant and stable and approved for vacuum and/or pressure from −1 to 1.5 bar.

Graduations are colored blue. Available in clear, amber, plastic coated, or netted formats. Temperature range up to a maximum of 140 °C (284 °F) with a maximum ∆T of 30 °C (86 °F). Bottles can be hot air sterilized or autoclaved. Fabricated from borosilicate glass. Bottles comes with blue polypropylene cap and a removable pouring ring that allows for drip-free operations.