The Foster kitchen sinks are manufactured with the best AISI304 and AISI316 stainless steel, to ensure the maximum quality to our kitchen sinks. Foster takes great care in selecting the best performing materials to manufacture its kitchen sinks. All our production is made using austenitic steel AISI304 and AISI316 which, thanks to their high percentage of chrome and nickel, endows our sinks with great brilliance, solidity and total resistance to rust and corrosion.