LiqTech International, Inc., a clean technology company, designs, develops, produces, markets, and sells automated filtering systems, ceramic silicon carbide liquid applications, and diesel particulate air filters in the United States, Canada, Europe, Asia, and South America. It operates in three segments: Water, Ceramics, and Plastics. The company manufactures and sells silicon carbide ceramic filtration technologies for liquid and gas purification; and diesel particulate filters for exhaust emission control solutions to the verified retrofit and the original equipment manufacturer market.