Westfälische Rohrwerke: NSF NSF Standard 14 for 16-32 mm PE/AL/PE Pipes Smartpipe

[inspic=26,left,,100]German Multilayer Pipe Producer WRW with NSF Standard 14 for 16-32 mm PE/AL/PE Pipes Smartpipe, approved for cold and commercial hot end use applications.
NSF International recognized Westfälische Rohrwerke GmbH as complying with NSF/ANSI 14 products appearing in the NSF Official Listing are authorized to bear the NSF Mark.
More: www.wrw-ahlen.de.