Sand filters are mainly used for suspended solids removal and/or turbidity reduction in both industrial and domestic wastewater treatment plants. These could be
manufactured as pressurized or ambient air operated systems perusal. According to the purpose of use, it can contain layers of pebbles, sand, zeolite, quartz or
activated carbon for adsorption of particulate matters present in the water. These units can be manufactured from Aluminum, Epoxy coated or galvanized steel or stainless steel.