I.W. Tremont is a USA-based filtration products manufacturer. They supply extraction thimbles, syringe filters, membranes, and technical specialty materials while specializing in glass microfiber and cellulose media. Their unique product lines include high purity porous materials used in filtration, wicking, and conveyance applications of powders and liquids. I.W. Tremont provides the highest level of customer service in the industry delivering it with the same enthusiasm, quality and business ethics the company was formed with years ago.