PYREX® GL 45 Membrane screw cap

Polypropylene screw cap with integral 0.2 µm PTFE membrane, Gas permeable membrane permits pressure equalisation allowing glassware to be sterilised using an autoclave with the screw cap fastened, Provides a tight seal that prevents the ingress of liquids or solids, Ideal for aerobic microbiology and cell culture, Suitable for storage and transport of gas generating media, Autoclavable, Temperature resistant to 140 °C, Compatible with 1516, 1517, 1518, 1519 and 1520 series bottles and 1139/10 Fernbach flasks