Aijiren Technology Corp Acrodisc, Syringe Filter, GHP, 25 mm, 0.2 µm, Aqueous, 200/case Manufacturer: Aijiren Technology Corp WAT097965 ... GHP has the broadest chemical compatibility and exhibits minimal protein binding. Catalog No. 50-786-018 This item has been discontinued and is no longer available. Please call customer service for assistance: 1-800-766-7000. ...