Hidden Grohe siphon complete with round push button

The specifications: - The distance between the chair mounting screws is 18 cm or 23 cm - Water consumption saver - Sanitary drainage pattern: P-Trap - Compatible toilet: Wall-mounted toilet - Installation type: Wall and floor mounting - Installation method: Contents of the carton: - Hidden tank with internal compression board - Adjustable support frame made of galvanized iron - Valve - 2 drainage pipes - Screws for fixing the wall-mounted toilet - Screws for fixing the frame - Plastic box to protect the compression - Sewer pipe plug to protect the compressor - Warranty: 10 years - Country of origin: Poland