Maine Capsule Filters Each 3031900 by Maine Manufacturing GROUP: Lab Equipment & Accessories:Filtration Devices:Capsule Filters Item Description: Capsule Filter, Nylon, 0.22 microns, �" NPT Male, Sterile Packaging Desc: Filter Capsule Nylon 0.22Um1/4In Npt Male St Country of Origin: Harmonized Tariff Code: Product Description: