a wall plate is arranged for selective reception of a support member having a floor , with an internally threaded cylindrical skirt arranged to receive a mouthwash dispensing fluid container therewithin , with a valve plate reciprocatably mounted relative to a bottom surface of the floor to permit selective fluid flow therethrough . the apparatus is further arranged to include an adapter head arranged to receive a mouthwash bottle thereon having a truncated , conical directional conduit to receive an outlet opening of a fluid bottle .