Hygenic Natural Rubber Tubing Box 11374 by Hygenic GROUP: Lab Equipment & Accessories:Hematology:Controls/Calibrators Item Description: Translucent Black Tubing, 3/16"-ID x 3/32"-Wall x 3/8"-OD, 100 ft Packaging Desc: Tubing Rubber Blk 3/16X3/32100Ft/Box Country of Origin: Harmonized Tariff Code: Product Description: Made of natural rubber; seamless, flexible and smooth. Excellent tensile strength. Packaged on reels or coiled in boxes as indicated.