(EN) A shower tube cleaning device for a filter for a water tank, configured such that clean water from the filter is returned to the inside of the water tank through a shower tube provided with nozzles. An operating rod (11) extended in a shower tube (5) is connected to a cleaner (10) slidably provided in the shower tube (5). A scraper (12) is fixed to a free end of the operating rod (11), and the scraper (12) is pushed and pulled to make the cleaner (10) reciprocate in a sliding manner, scraping off foreign matter in the shower tube (5). The inner surface of the shower tube can be cleaned with the shower tube connected to a filter.
