The article reports on the filter industry. Textiles have an important role in both the air and water filtration markets. The worldwide market for filters made of nonwovens is expected to increase from U.S.$2.5 billion in 2010 to U.S.$3.5 billion in 2015 according to BBC Research. The global filtration market was valued at U.S.$48.10 billion in 2011 according to Transparency Market Research.