PYREX® PTFE GL 45 Bottle pourer screw cap

Manufactured from white PTFE and blue polypropylene, Aids the dispensing of liquids from bottles and flasks with a GL 45 screw thread, Provides greater control of flow with large capacity bottles that can be difficult to handle, Supplied complete with venting tube and attached PTFE cap, Temperature resistance to 140 °C, Autoclavable, Dishwasher safe