0 `# U5 T4 J* Z+ M+ P& F5 "| _# G& _ now refrigeration accessories vendors, sales are not heat shrinkable aluminium outer protective sleeve, is coated with a layer of red things, do not know how long can use aluminum `# O4 ` (C (g$Q8 u b heat shrinkable tube can be used for long v$! D/ J'B. Q;}; C']
Three or four years!! We usually do it here. We need to replace it with copper tubes...
Generally you install once, do not dismantle a few years, no problem. If it is often broken, it will not work, it is easy to bad!
The sky see now actually used outside heat shrinkable tubes of the copper tube, do not look carefully thought is copper
