(57) A sterilizer for toilet spray attachment includes a reservoir (71) filled with sterilizing
agent or cleaning chemical. a delivery tube (74) connected with the reservoir (71),
a mixing portion (75) connected with the delivery tube (74) and connected between
a water conduit (51 or 61) for supplying a pressurized water and a spray nozzle (5
or 6) adapted for spraying user's anus or genitals, whereby upon the supply of pressurized
water, the liquid in the reservoir will be automatically drained or sucked into the
mixing portion forthorough mixing and for final spraying and cleansing purposes for
the toilet user. An automatic closer (8) may be further provided within the delivery
tube (74) of chemical liquid for automatically closing the liquid drainage from the
sterilizer reservoir (71) once the user leaving the toilet seat.
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