The Double Top Interface 7-way (4mm) works in conjunction with 2 x Linear Connector 7-way (Part No. 3200148) to provide fluidic connections to the top surface of microfluidic chips. The Double Top Interface 7-way (4mm) is compatible with chips that are 4mm thick and 15mm wide. This connection system provides fast and reliable connection between Dolomite chips and 0.8mm O.D. tubing.