YOUTILITY Venting Screw Cap, GL45, PP, Cyan, 0.2µm ePTFE Membrane, 4/Pack

This YOUTILITY® Venting Screw Cap is designed for GL45 laboratory bottles - it is manufactured from durable polypropylene with a cyan blue finish.

It features a 0.2µm expanded polytetrafluoroethylene (ePTFE) membrane, allowing automatic sterile gas exchange while maintaining the sterility of the bottle contents. This makes it an ideal solution for autoclaving and safe handling of media, buffer solutions, and other laboratory liquids.

Autoclaving & Pressure Equalisation

Venting Membrane Technology

The venting membrane integrated into the YOUTILITY screw cap permits safe pressure equalisation during the autoclave cycle, allowing the cap to be fully closed while automatically venting gases. This design ensures the sterility of the contents while providing a secure and reliable closure for laboratory use.

Ergonomic Design & Compatibility

The cap is designed for ease of use, with smooth surfaces and a secure fit onto standard GL45 threaded bottles. The combination of polypropylene and the ePTFE membrane ensures chemical resistance, autoclavability, and long-term durability in laboratory environments. It has a diameter of 53mm and a height of 25mm, fitting perfectly with YOUTILITY GL45 bottles.

Applications & Laboratory Use

The venting screw cap is suitable for repeated sterilisation and safe storage of media, buffer solutions, and other laboratory liquids. Its design reduces handling risks and improves laboratory efficiency by allowing full closure without compromising pressure equalisation or sterility.

Product Features

• Venting Membrane: 0.2µm ePTFE membrane enables automatic sterile gas exchange during autoclaving.
• Durable Material: High-quality polypropylene with chemical resistance and autoclavable durability.
• GL45 Compatibility: Fully compatible with standard GL45 threaded bottles for secure and reliable closure.
• Ergonomic Design: Smooth surfaces and secure fit for easy handling and repeated laboratory use.
• Autoclavable: Safe for repeated sterilisation cycles without compromising integrity or sterility.
• Colour Coding: Cyan finish for easy identification and organisation in the laboratory.
• Safe Pressure Equalisation: Prevents bottle failure caused by pressure build-up or vacuum formation post-autoclaving.
• Laboratory Efficiency: Allows fully closed caps during sterilisation, simplifying handling and improving safety.