Characteristics of HL sewage equipment:
Hutterer & Lechner Recessed washing device trap with water feed and preparation for electric connection, DN40/50 [Code number: HL 405E]
Hutterer & Lechner Recessed washing device trap with water feed, on/off tap R 1/2' and electric power socket with hinged cover, DN40/50 [Code number: HL 406E]