Automatic pressured sand filters are used for removing suspended solid matter in water, turbidity and other particals. The system is composed of placing more than one layer different from each other. In good filtrated systems, as a result of minimizing loads going to other treatment filters, the life of equipments are lengthened and efficiency is increased.

Also, sand filters are used for pre-treatment on process water and drinking water treatening or removing turbidity of sewage treatment units outlet treatened water.

Active carbon filters is a system that removing all taste-ruining, smell-making, coloring organic materials, clor and clor compounds, detergent, patrol and industry wastes, agriculturic poisons, tanins, asbests and other organic materials by means of high quality active carbon minerals. Their mechanics are working like a sand filter. The systems having each flow capacity from domestic design to industrial design can be projected.