Polyethylene tubing is economical and suitable for many general purposes, including air, water and chemical transfer lines.  We manufacture our polyethylene tubing from raw materials that meet FDA requirements. HDPE has higher pressure and abrasion resistance than LLDPE and can be sterilized by boiling.  Our NSF 51/61 HDPE tubing is certified to meet NSF 51 and NSF 61 requirements.