Abstract: A hose combination includes a flat hose having a first passage and each of two opposite insides of the first passage and two opposite outsides of the hose have a flange extending longitudinally therefrom. A connector includes a first part having a second passage defined therethrough and the hose is inserted in a first end of the first part. Two first grooves are defined in an inside of the second passage so as to receive the first flanges on the outside of the hose. A second part has a tubular portion which is inserted in the first passage and has second grooves defined in an outside thereof so as to receive the flanges on the two opposite insides of the first passage. A threaded neck extends from a second end of the first part and is connected to a third part to which a sprinkler is connected.