This is a 100-foot roll of tubing made from LLDPE (linear low-density polyethylene) material. It has a 3/8 inch outer diameter and 1/4 inch inner diameter, which is the size of the tubing's opening. The tubing has a working pressure of 214 psi at 70°F (21°C). It is certified by the National Sanitation Foundation (NSF) for compliance with standards 51 and 61, which relate to food equipment materials and drinking water system components, respectively.
