Filtrex Technologies Pvt Ltd is a part of Marmon Group - A Berkshire Hathaway Company.Filtrex specializes in developing bespoke solutions for the domestic water and air purification requirements. The company serves customers in India and other markets globally including the United States. Products include molded carbon blocks, cellulose based pleated media, filter sub-assemblies, and cartridges with carbon block or activated carbon. The carbon blocks manufactured have claims for Chlorine, Chloramine, VOC, Cyst and Lead removal. Majority of the products are certified by NSF and WQA.