Nalgene™ carboys feature serrated tubulation molded in one piece with bottle, for strength and leak resistance. Outlet low on bottle for more complete drainage. Constructed of polypropylene with polypropylene screw closure and TPA gasket. Convenient wide shoulder handles for easy carrying. Are also graduated to deliver in 1-gallon and 5-L increments. 10- and 20-liter sizes take 1/2-in. (13mm) I.D. tubing. A hose clamp should be used when attaching tubing to ensure a tight fit and avoid leaking. Carboys take number 13 1/2 stopper. NOTE: For best results, autoclave using a properly vented closure. Autoclavable. Leakproof.
NOTE: Nalgene™ polypropylene containers can be used for long-term storage, but direct UV exposure should be avoided.