Inus IS-H700 is a single nozzle, non-electric mechanical bidet attachment that fits all standard toilets. Simply install this to any toilet and start cleaning! This attachment uses a cold, freshwater system to clean with all parts included. There is one nozzle for posterior washing that is easy to disassemble. The term “nozzle cleaning” on the attachment discharges remaining water in the connection tube and nozzle head making each cleaning more safe and hygienic to use.