Sand filters are widely applicable for the water purification and exclude the suspended matters utilizing a different mechanism. Best thing about the filters is that these filtrate the dirt as well as other particles. These enable the flow of clean filtered water. These are the highly economical filtration systems, which must be cleaned very well. These are accessible with advanced technique and allow for an effective water treatment. Sand filters are of modish techniques and enable a rapid as well as slow sand filtration. These are useful in wastewater treatment as well as process systems solutions. These are accessible with less operating costs and extended equipment life. Their use can protect the environment and ensure the conservation of water as well as energy.