National Scientific

Rotarex

Ceodeux and parent company Rotarex provide a range of gas control solutions including high-performance valves, regulators, connectors and pre-engineered systems for almost every pressurized gas application. Read More

Quadrex Corporation

When it comes to GC capillary columns and consumables, we know you have many suppliers in the chromatography marketplace to choose from. Over the years those numbers have actually dwindled as the industry has experienced several mergers and acquisitions and even division shut-downs where some... Read More

Parker Hannifin Filtration and Separation Division