The benefits are clear in the latest addition to the YOUTILITY® GL 45 screw cap product range. The cap is moulded from a transparent, non-toxic PMP polymer, making it ideal for laboratory applications that require high Light Transmission. The ergonomic-shaped YOUTILITY® GL 45 screw cap features a liner less design compatible with both DURAN® Original GL 45 bottles, flasks and YOUTILITY® bottles. PMP polymer is widely used in laboratories for reusable plastic labware and animal cages. The clear YOUTILITY® caps are Retrace coded for traceability. The retrace code can be used the download a lot specific certificate of conformance.