• Eliminate open-air pouring of high valued products with this leak proof, closed system• Pre-mounted platinum-cured silicone tubing allows for easy customization of carboys• Multiple hose barb configurations availableDesigned for aseptic fluid handling in pharmaceutical, biotechnology and laboratory applications, these filling and venting closures feature pre-mounted lengths of platinum-cured silicone tubing, a platinum-cured silicone gasket, and a polypropylene (PP) cap and adapter with molde