Create aseptic handling solutions for pharmaceutical, biotechnology and laboratory liquid transfer applications using Thermo Scientific™ Nalgene™ filling/venting closures. Ready to accept additional fluid transfer components such as aseptic connectors and air vent filters, these 3-port closures are available for use with Nalgene bottles and carboys with 53B or 83B closures, including pre-mounted lengths of platinum-cured silicone tubing for easy customization of bottles and carboys.

• Autoclavable closures are specifically designed to mate with most Nalgene bottles and carboys
• Leakproof systems provide secure, aseptic handling of high-valued products compared to pouring
• Includes 50 platinum-cured silicone tubing and TPE vent port cap