Water tank Patented connection with silicon tuble and screw,no welding; Easy-assembly, cost-saving; Parts reworkable Water ... tankSUS 304 Stainless steelPatent water tank,Assembled with screw and silicon tube, no welding, avoid rusty which caused by welding, ... to 30-50 years;Easy-assembly, value-preservingWith silicon tube and screw connection assembly, the stainless steel plate may be reused ...