... collector1.Reliable and efficient twin-glass solar tubes2.Copper heat pipes for repid heat transfer3.Easy plug ... 8mm,Insulating layer,compressed rock woolHeat Pipe pure red copper TU1+water,transfer power>=150W,Working pressure,4Mpa, ... 390.5Container Loading Quantity(set)20102787763574022116916613613040HQ278213209172171Price(USD) EU separate copper pipe high-press solar collector for bathroom 300L or ...