Part# 63300015

Improve the ergonomics of your lab with xTIP4 pipette tips. These tips feature positive stop technology ensuring every tip you attach ejects with minimal force. Everyone in your lab will benefit from the low ejection force without having to change his or her technique or pipetting style. xTIP4 tips are made for a perfect fit on the Biotix xPIPETTE, they are also fully compatible with Rainin’s LTS pipettes.


  • Compatible with Biotix xPIPETTE and Rainin’s LTS pipette
  • Uses 30% less plastic than racked product when you reuse your empty rack bases.
  • Easily transfer refills by pressing down on the top
  • Automatically aligns the refill with the empty rack
  • Quickly identify the tip size with color coded snapcards
  • Lot and part number are printed on every reload
  • Working Volume: 0.1-20µL


Each lot of Biotix tips are tested and certified free of DNase/RNase, endotoxins/pyrogens, PCR inhibitors, and human DNA.

Innovative Features

uTIP universal pipette tips feature:

FlexFit®Flexible Proximal End

Reduces the amount of force needed to attach and eject a tip, reducing the risk of repetitive stress injuries (RSI).

X-Resin®Low Retention

X-Resin is our proprietary resin that is proven to reduce sample retention, resulting in improved accuracy.

Blade®Optimal Surface Area

Blade technology lowers the chance of hanging droplet formation by optimizing surface area at the distal end of the tip, saving time with each draw and improving precision.

Product Specifications

CompatibilityVolumeSterilizedPackaging Type Quantity

20 µL

Yes Tip Eject

10 refills of 96/pack

5 packs/case


Technical BulletinBrochureData Sheet
Accuracy and PrecisionxTIP4 BrochureBiotix xTIP4 20 μL Data Sheet