After a long search finally found. Our water is boiling now plastic-free. You have to Ottoni just write a short mail that you would like to have exchanged a stainless steel filter to Plastikkalkfilter inside and then the interior is really absolutely free plastic! Tip! Although today have taken him for the first time in operation and can still describe any long-term experience, but he seems very well finished, is normal, according to the cooking process and looks to have really good. It can be well fill it with water, pour not leak at and is not particularly difficult, even at full loading. I can only recommend it!
Addendum of 08/07/2014: Cooking for a year now with this kettle and daily min. Twice. Still very compelling. Have found that you can easily solve the Kalksieb from the inside and cleaned easily. Perfectly happy with this product.