SPME fibers are the key to any solid phase micro extraction. RayKol's XTrust SPME fibers provide a wide range of SPME fibres for various applications, consist of different polymers and formats to adsorb or absorb the corresponding analytes, compatible with autosamplers and manual injection. Besides, each of XTrust SPME fibers has colour code, to identify the type of coating on the SPME fibers.