| 摘要 |
A multi-stage showerhead for preventing mixed flow and back pressure, in which a capacity space is set inside a housing, the capacity space is provided for placing an inner disk, an outer disk, a distribution base, an outlet base, a bottom base and a water-gas mixing seat, wherein at least a counter-stop pad is set inside the water-gas mixing seat for avoiding that water and gas fixed to produce back-pressure counter current, to thereby ensure the purpose of water-saving and not reducing the strength of water.
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