Axygen® Universal Tips are designed to fit a wide variety of single and multi-channel pipettors, compatible with most popular brands of pipettors. These polypropylene tips are RNase-/DNase-free and nonpyrogenic. They are available in Maxymum Recovery, beveled, Eppendorf-style, nonsterile, sterile, non-filtered, and other features for specialized applications. Flexible walls and a series of internal sealing rings ensure a secure fit with less force required to load and eject. -RNase-/DNase-free -Nonpyrogenic -Maxymum Recovery technology for ultra-low retention and high yield -Sterile