Maine Capsule Filters Each 1213591 by Maine Manufacturing GROUP: Lab Equipment & Accessories:Filtration Devices:Capsule Filters Item Description: Capsule Filter, Polypropylene, 0.45 microns, 3/8" Barb Packaging Desc: Filter Capsule Pp 0.45Um3/8In Barb Country of Origin: Harmonized Tariff Code: Product Description: