The BD Micro-Fine+ 8mm 31G Pen Needle MPN 320631 is a fine-gauge sterile pen needle designed for comfortable and reliable delivery of medication using compatible pen injection devices.
At 8mm in length and 31G, the needle provides an established pen needle specification for users who require or prefer an 8mm needle. The fine-gauge design supports comfortable injection, while compatibility with commonly used pen injection devices makes it suitable for a wide range of pen-based medication delivery systems.
Key Features
- Needle length: 8mm
- Gauge: 31G
- Compatible with a wide range of commonly used pen injection devices
- Sterile
- Single use only
- Pack size: 100 pen needles
- Manufactured by BD
- MPN: 320631
A new sterile pen needle should be used for each injection. Always follow the instructions supplied with your injection device and the guidance provided by your healthcare professional.
BD to embecta Packaging Transition
BD Diabetes Care products are transitioning to the embecta brand. The current embecta equivalent of this 8mm 31G pen needle is embecta Micro-Fine MPN 321100.
This listing currently relates to BD Micro-Fine+ MPN 320631 stock. Packaging and branding may change to embecta as new stock is introduced.
Manufacturer Instructions & Injection Guide
Please refer to the manufacturer’s instructions supplied with the product and the embecta Injection Technique Guide before use.
Bulk & Trade Enquiries
For larger quantities, healthcare, care-provider or trade requirements, please contact Mediquip Medical Supplies at info@mediquip.co.uk for availability and pricing.








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