... FEMALE ANDAPTER, 45DEGREE MALE AND FEMALE ELBOW , 90 DEGREE MALE AND FEMALE ELBOW , REDUCING COUPLING, MALE AND FEMALE UNION , MALE PLUG ... :1) Healthy, bacteriological neutral, conforming to drinking water standards2) Resistant to high temperatures, good impact strength3) Convenient ... property from minimum thermal conductivity5) Lightweight, convenient to transport and handle, good for labor-saving6) ...