This nanobubble shower offers up to 80% water savings and gentle water flow from 304 fine holes. - Water saving rate: Up to 80% - Number of holes: 304 holes, 0.3mm each - Functions: Beautiful skin, warming bath effect, cleansing, moisturizing, hand-held water stop, pressure adjustment - Design: Nanobubble shower - User experience: Comfortable and warming shower Why not reconsider your water bill and take advantage of this?