The UDF filter element is generally made of coconut shell, fruit shell or coal as raw material, made by special process, its appearance is black amorphous granular, with pore structure, its adsorption performance is particularly good, and it is used in the purification of gas and liquid.

The UDF filter element integrates adsorption, filtration, interception, and catalysis, and has the effect of removing pesticides, pesticide residues, organic solvents, and other chemical pollution caused by industry. In addition, it can also remove organic substances, residual chlorine and other radioactive substances in the water, and has the effect of decolorization and odor removal. Generally, the service life of the UDF filter element is about 3-6 months.