Mixer faucet set with shower and ORISA handle

Item: Mixer valve connector, crank copper, Baddad plastic manufacturing materials: copper usage: prevent water flow from hot to cold and vice versa used as a general mixer valve prevents water flow in the opposite direction from hot to cold or vice versa in the presence of a pump used in the bidet mixer specifically to keep it open all the time causing mixing of hot and cold water and consumption of the heater effective and practical in preventing mixing of cold line water with hot in the bidet mixer