Easy-to-use MarvelX Biocompatible PEEK-Lined UHPLC Connection Systems from IDEX Health &, Science maintain zero dead volume and prevent peak tailing. Our biocompatible PEEK-lined connection system has been expertly designed to allow for easier routing and superior re-usability throughout your instrument. Built with a convenient, removable fitting and changeable precision-cut flexible tubing, MarvelX can be used up to 200 times! It is compatible with 10-32 coned receiving ports for easy and repeatable finger-tight connections, no tool required. Innovative design makes it possible to replace tubing independent of fittings.