Gross 10 “BigBlue body is used to purify cold water. The product successfully removes sand, rust and other unpleasant sediments. Aquaphor Gross contributes to the ability of other equipment to purify your water. The filter housing is made of high quality plastic that can withstand high pressure. where greater water resources are required. Designed for standard 10 “connection. Removes from water: – chlorine, chloroform and organochlorine compounds – heavy metals and metals such as lead, cadmium and copper – petroleum – phenols – pesticides