Non-Pressure SeriesStainless steel series
1)Inner tank and outer tank are all make out of SUS304 food grade, adopt advanced wilding equipment and technics.
2)Vacuum tube:QB-AL-N/AL-47-1500/58-1800.
3)Insulation layer of water tanks adopts polyurethane foam , thickness 55mm.
4)Frame: stainless steel , thickness 1.2mm.
5)Reflector: bright light aluminum.
