Accuflex Klearon K010 Food-Grade PVC Tubing - 7/8" ID x 100 ft. RollAccuflex Klearon K010 is a high purity, food grade PVC tubing designed for the transfer of liquids and dry materials in commercial kitchens and breweries. Featuring a large 7 8" internal diameter, it is ideal for high volume drainage, beer line trunk bundles, or gravity fed transfer systems. The crystal clear construction allows for immediate visual inspection of flow and sanitation. It is NSF 51 and FDA certified for food and beverage contact.