Complete Kit for Gaggia Classic, Baby espresso machines. IMS Competition Series, Precision Shower Screen: Integrated membrane with 200 µm filtering capacity. Polished, easy to clean, less adhesive to coffee, much more consistent water flow. Brass Shower Holder has a better heat retention than original aluminium one, it is more resistant to limescale and lasts clean longer. Cafelat Silicone Gasket - softer than a rubber one, doesn't harden with time and doesn't smell. Food grade silicone is odorless and tasteless. Fits Gaggia Coffee, Classic Coffee, Carezza, all old and new Baby, Baby Class, New Baby, Gaggia Espresso, Tebe, and Paros Gaggia. Also fits KitchenAid Pro Line Series Espresso Maker with Dual Independent Boilers. The brass part is made from material CW510L. It conforms with the requirements for USA market with limits placed on lead for materials in contact with water for human consumption. Its NSF372 certification is a guarantee of compliance with American standards. In 2011, Federal Safe Drinking Water Act determined that “lead-free” brass has to have maximum weighted lead content of 0.25% on the wetted surface of plumbing products. The material that have been used in this kit - CW510L contains only ≤0.2 % of lead (Pb). Thus, Yes - this is a "lead free" brass. There is also available option of Stainless Steel Tune Up Kit for Gaggia on Amazon by Verybarista.