Maine Bottle-Top Filters Box 10443423 by Maine Manufacturing GROUP: Lab Equipment & Accessories:Filtration Devices:Specialty Devices Item Description: Bottle-Top Filter, ZapCap S CR NL, 0.45�m Pore Size, NYL/PP, 12/Box Packaging Desc: Filter Zapcap S Cr Nl 0.45Mlnyl/Pp 12/Box Country of Origin: US Harmonized Tariff Code: 8421.29.00 Product Description: