It's a 1/2" pipe that looks translucent, much like 1/4" and 3/8" polyethylene(non-cross linked). Where I've seen it, it was fitted using Sharkbite fittings.
I couldn't find much info on polyethylene tubes. I found some info on larger ones, but they're opaque like black ABS pipes.
I couldn't find much info on polyethylene tubes. I found some info on larger ones, but they're opaque like black ABS pipes.