I was hoping but not sure if you can buy replacement injector hoses. Otherwise I would have to completely clean the supplied nozzle tube in order to be able to continue using it. This seemed impractical as some foam was left in the tube and was either a goo that had to be removed or solidified unless I used a suitable solvent to wash the tube. I was very pleasantly surprised to find that there are several promising replacement nozzle tubes. I bought it for several reasons and it fully met my expectations.