GF Health 3932 12 Latex Tubing, 50', 1/4" I.D. x 1/2" O.D. x 1/8" Wall Go to amazon.com Related posts rubber tubing 1/2 inch buyer's guide for 2022 FeatureTubing is extensively leached, washed and surface-treated to 99.9% protein-freeSeamless tubing- Free of striations lumen for clear passage of liquids and/or gasesTubing on dispenser reelSterilizable DescriptionLatex Tubing, 1/4" I.D., 1/2" O.D., 1/8" WALL, 50ft.