Using the Horizon Technology 8270 Carbon Cartridge Kit enables the capture of the more volatile 8270 compounds. The 8270 Carbon Cartridge Kit is designed for use with the Horizon Technology SPE-DEX 4790 Automated Extractor System, and the Oasis HLB (Hydrophilic-Lipophilic Balanced) solid phase extraction disk, developed by Horizon Technology and Waters Corporation.