... include inkjet printer)set17Pipe diameter wall thickness specification: Pipe diameterWall thickness specification16mm16mm×1.5mm16mm×1.25mm16mm×1mm20mm20mm×1 ... , it can produce inner wall spiral pipe, inner wall hollow pipe, and core layer bulpo pipe, etc, it can also produce PP ... , PE, ABS, & PPR, PEX, silicon core pipe and pipe ...