Each Whittier Filtration FiltraMatic pressure leaf filter from Veolia Water Solutions & Technologies has a surface area of 3,400 feet and can treat 6,600 m3/hour of gold and silver-bearing sodium cyanide leaching solution for a Merrill Crowe process. The design of the Whittier Filtration FiltraMatic pressure leaf filter allows easy access to the internal filter leaves for maintenance with an automatic retracting shell. Precoat media offers very fine filtration and is retained on 640 high-quality stainless steel pressure leaf elements.