A PLUS Jointed Round‑Bottom 2‑Neck Flask – 100ml (Centre 24/29, Side 14/23)

The A PLUS Jointed Round‑Bottom 2‑Neck Flask (100ml) is part of a premium yet cost‑effective range of ASTM‑accredited 3.3 borosilicate glassware. Fully equivalent to and compatible with Quickfit®, this high‑quality flask is engineered for exceptional chemical resistance, thermal stability, and long‑term durability—making it ideal for both educational and professional laboratory environments.

Featuring a centre neck (24/29) and an angled side neck (14/23), this versatile two‑neck design supports multi‑step and continuous‑flow procedures. It is perfect for organic synthesis, reflux reactions, gas inlet/outlet setups, and distillation assemblies where simultaneous access to the flask interior is required.

Key Features

• 100ml round‑bottom 2‑neck flask
• Centre neck: 24/29 joint
• Angled side neck: 14/23 joint
• Made from 3.3 borosilicate glass for superior thermal and chemical resistance
• ASTM accredited to ensure high laboratory standards
• Fully compatible with Quickfit® jointed glassware
• Ideal for reflux, synthesis, distillation, and gas handling setups
• Durable, clear, and suitable for repeated laboratory use

Ideal for School Science Lessons

This two‑neck flask is especially useful for A‑Level, IB, and undergraduate chemistry, where more advanced laboratory techniques are introduced. Its dual‑neck design enables students to practise multi‑step reaction procedures and develop confidence working with professional‑grade jointed apparatus.

• Perfect for reflux reactions requiring simultaneous reagent addition
• Ideal for distillation with thermometer or gas inlet connection
• Supports gas delivery, inert atmospheres, and vacuum applications
• Useful for technician‑prepared advanced practical setups
• Helps students learn professional organic chemistry lab techniques

Robust, versatile, and excellent value, the A PLUS 2‑Neck Round‑Bottom Flask 100ml (Centre 24/29, Side 14/23) is an essential addition to any modern chemistry laboratory.