500-FOOT BULK ROLL FOR LARGE INSTALLATIONS OR PROFESSIONAL USE – This bulk product is intended for professional contractors, plumbers, and large-scale projects in residential, commercial, or light industrial applications. Cut-to-length convenience for custom sizing. PREMIUM LLDPE MATERIAL – Linear Low-Density Polyethylene tubing with extreme flexibility (easy to route), excellent chemical resistance (suitable for many fluids), and high flow/pressure ratings for plastic. Cut-to-length convenience. NSF/ANSI 61 CERTIFIED FOR SAFE DRINKING WATER – Independently tested and certified for potable water contact with low extractables. Safe for icemakers, water dispensers, RO systems, and all drinking water applications. Meets U.S. plumbing codes and ensures water purity for your family or customers. WORKS WITH REVERSE OSMOSIS, ICEMAKERS, FILTRATION & MORE – Universal 1/4" OD fits standard compression fittings and all major appliance brands. Ideal for RO systems, water filtration lines, refrigerator icemakers, beverage equipment, pneumatic controls, and low-pressure water supply lines. EASY TO INSTALL IN ANY APPLICATION – Flexible design routes easily through walls, ceilings, and tight spaces. Compatible with most refrigerators and water systems. Professional-grade quality trusted by contractors for residential, commercial, and light industrial installations., Manufacturer: HIGHCRAFT