The Restek Split Liner is a laboratory accessory designed specifically for GC (gas chromatography) instruments. This 4-pack of liners features a 4mm diameter, 6.3mm length, and 78.5mm base with deactivation wool, providing a precise and efficient way to handle sample injections during chromatographic analysis. The use of high-quality materials from Restek ensures reliability and accuracy in laboratory procedures, making it a valuable tool for researchers and technicians in the healthcare, lab, and industrial sectors. Brand New Unopened Rest Assured and Buy with Confidence! Free Returns!