0.1-20µL, Rainin LTS & Biotix xPIPETTE compatible, Racked, Filtered, Low Retention, Pre-Sterilized, 10/PACKImprove 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 Rainins LTS pipettes. Compatible with Biotix xPIPETTE and Rainins