barrier an external trigger located at the handle section of the dispensing device is coupled to a shuttle which can slide in a channel and control water flowing through the orifice a cleaning agent in the form of solid water soluble pellets is loaded in a cavity in a barrel section of the dispensing device and then contained by attaching a nosepiece to the barrel an elongated outlet tube cantilevered from the nosepiece has a proximal section and an obliquely angled distal section and can dispense all water flowing therethrough in a single concentrated stream into a toilet a hose can connect the dispensing device to a supply line for a toilet a holster mounted at the toilet can hold the dispensing device application_number US 92474507 A description referring to fig1 and 2 a handheld dispensing device 10 includes a hollow structure 12 having a 90 u00b0 elbow 12 a joining a handle section 12 b and a barrel section 12 c sections 12 b and 12 c may be cylindrical although other embodiments may have cross sections that are rectangular polygonal oval etc the hollow structure 12 may be fabricated from a durable plastic metal or other non corrosive material in some embodiments structure 12 may be formed of two halves that are welded along a plane containing the axes of sections 12 b and 12 c the elbow 12 a and handle section 12 b encompass cavities 45 and 43 respectively cavity 45 has a vent hole 46 that is open unless cavity 45 is pressurized in which case internal check flap 44 is driven against vent hole 46 to close it manually operable valve 11 is located between cavities 43 and 45.