You can buy them from roofing shops or Bunnings <Maybe check here first.
copper
L copper is thicker
Copper(I) carbonate is Cu2CO3.
Type L copper
CuSO4
4inch Schedule L Copper pipe weights 5.38 lbs/ft.
Copper tubing comes in several wall thicknesses K thickest L medium and M thin There is also ACR , DWV
Janice L. W. Jolly has written: 'Copper' -- subject(s): Copper, Mines and mineral resources
W L. Kilburn has written: 'Copper and bronze welding of tube and sheet copper for piping installations and roof work'
L. D. Sanders has written: 'Geology of the Voi-South Yatta area' -- subject(s): Geology 'Copper in Kenya' -- subject(s): Copper ores, Copper mines and mining
No it will not poison you. Copper piping is used extensively in Medical Gas applications. "TYPE L" signifies the wall thickness of the piping.
.l.