ATP Vinyl-Flex PVC Food Grade Plastic Tubing, Clear, 1/2" ID x 5/8" OD, 100 feet Length Vinyl-flex PVC NSF 61 is suitable for general, low-pressure, industrial applications for the conveyance of liquids and semi solids Made from a PVC compound that complies with FDA regulations Tubing provides good chemical resistance It is lightweight, flexible and economically priced NSF 61 compliant for use in potable water and food and beverage applications