A replacement filter for the Replacement Nano Filter for Soft FlaskMembrane Solutions says:Keep your filter at peak performance with a Replacement Nano Filter for Soft Flasks. This Nano Filter is compatible with the 1L and 400ml Soft Flask Filter Bottles from Membrane Solutions.Our VerdictThis is the replacement cartridge for the Membrane Solutions Replacement Nano Filter for Soft Flask a straightforward, easy-to-fit part that keeps your setup working as it should. Swapping it out takes seconds and gives the bottle a new lease of life. Simple, effective.- Reviewed by Ultralight Outdoor GearFeaturesRemoves Bacteria, Parasites, Microplastics & VirusesReduces Chemicals, Lead & TurbiditySpecificationsWeighs: 16gLifespan: 100 LitresPurification Method: Electroadsorption, and Ultra-Powdered Activated CarbonMaterial & ConstructionPore Size: 0.02m(by positive charge adsorption)Fillter Technology: Electroadsorption, and Ultra-Powdered Activated CarbonHelp & advice:The Ultimate Guide to Water Treatment and PurificationTime-Saver Guide to Water Purification

A replacement filter for the Replacement Nano Filter for Soft FlaskMembrane Solutions says:Keep your filter at peak performance with a Replacement Nano Filter for Soft Flasks. This Nano Filter is compatible with