Floor drains must be used in buildings to collect grey water. The siphons of our company are manufactured according to the standard EN12056 which defines how, where and under what conditions the siphons can be used, and according to the standard EN1253 which defines the supplies, the waterproofing, the temperature resistance, the loading class etc. There is a wide range of products including plastic or cast iron drains, with or without foul air trap, with height adjustment, with lock and loading classes that usually reach up to M125.