Frosch Lemon WC Freshener : The Frosch Lemons WC Freshener is the first sustainable WC-stone in the WC-Stein category. The toilet bowl is made of 100% alplastic and is 100% recyclable. With every rinse, it develops lemon-fresh cleansing foam, eliminating unpleasant odors and preventing calcification. With the help of the innovative and patented, iron-free Fix'n-Easy holder, it is simply clamped directly under the toilet rim