99.9 percent of all harmful germs are killed without using chemicals thanks to natural steam sterilisation. Modular design allows for flexible and adjustable capacity. Especially quick and secure: A sterilisation cycle takes only 10 minutes. If the lid is unopened, the contents remain sterile for up to 24 hours. Suitable for wide and narrow necked bottles, holds up to 6 Philips Avent bottles 330 ml.