The Imetec ZeroCalc anti-limescale technology helps to prolong the life of the iron: the combined action of three filters containing an ion exchange resin and the Calc-Clean self-cleaning function of the plate reduces the formation of limescale inside the iron, helping to extend its life. ZeroCalc technology allows you to have high ironing performance for a long time. Imetec ZeroCalc Z3 3700 is equipped with a high-performance ceramic multi-hole plate which guarantees: smooth and fast ironing, uniform heat diffusion and does not adhere to fabrics. It is easy to clean and has a high scratch resistance. 2400W high smoothness ceramic plate. 160 g steam boost. Steam quantity selector with Eco position to reduce energy consumption. Anti-drip device which prevents water leaks during the heating phase of the plate.