1) penumatic tank fitting 2) material:PP 3) complete set with side fill valve 4) inlet valve size: 1/2" or 3/8" penumatic tank fitting 1).the main body is PP.2) Plastic or brass thread3) Simple and cheap design, popular4) inlet valve size: 1/2" or 3/8"5.we are specialized in water tank series.6.>ISO 9001:2008.7.picture took in kind, the printing, materials, weight, size even the style as per ...