These two neck flasks have a vertical centre neck and an angled side neck. Side necks are available with either 14/23 or 19/26 ground socket joints.
- Fitted with two Quickfit® ground glass sockets - one vertical centre neck - one angled side neck
- Side neck useful for introducing gas inlet tubes and thermometers etc into the flask
- Manufactured from borosilicate glass for highest resistance to thermal shock and chemical attack
This product has met the following criteria:
 | Sustainable Distribution & Packaging Award | - Manufactured in the UK or Ireland
- Country of origin has an Environmental Performance Index (EPI) greater than 60
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To find out more about our Sustainability Attributes, click here.