GeneFix™ Xtra DNA Collect – GFX-03

The ‘Xtra DNA Collect’ is designed to collect 3ml of Saliva thus improving yields over the standard GeneFix 1ml and 2 ml collectors. It is packaged in the same tube yet filled with 1ml of a higher concentration buffer to allow for extra dilution of the saliva. It has most of the benefits of our standard collector and will appeal to scientists requiring maximal yields, even in cases where patient sampling times may be extended.

The device is fully specified for sample transport and storage making it the perfect solution for collecting good quality and reliable samples from saliva.

Available in packs of 2, 12 and 50.


  • Economic, easy to use integrated DNA stabilization buffer
  • Fully tested on most downstream processing techniques
  • Unique funnel design prevents spillages or buffer flow back
  • Suitable for field, home use and clinic-based sampling
  • DNA stabilized at room temperature for up to 60 months*
  • Collection tube specified to 95kPa for leak proof mailing
  • Total DNA yields exceeding 180 μg/µl**
  • Compatible with most Manual and HT Isolation kits (Requires Proteinase K)
  • RNA stabilised at room temperature for a minimum of 5 days
  • Unique barcodes on each device for easy traceability
  • Suitable for COVID-19 testing

* In ongoing and continued rigorous testing. ** Quantified by Picogreen

Product Codes

GFX-03/02, GFX-03/12, GFX-03/50
GeneFix™ 3ml DNA Saliva Collector for 2 samples, 12 samples and 50 samples


In some countries this product is designated ‘Research Use Only’.
Further information is available in our How to Order page.

US Patent D767,757 S

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