Hygenic Natural Rubber Tubing Box 10915 by Hygenic GROUP: Lab Equipment & Accessories:Hematology:Controls/Calibrators Item Description: Translucent Amber Tubing, 5/16"-ID x 1/16"-Wall x 7/16"-OD, 50 ft Packaging Desc: Tubing Rubber Amber 5/16X1/1650Ft/Box Country of Origin: US Harmonized Tariff Code: 4009.10.0000 Product Description: Made of natural rubber; seamless, flexible and smooth. Excellent tensile strength. Packaged on reels or coiled in boxes as indicated.