Providing up to 8 hours relief, these lavender and chamomile refill pads are to be used in the Calpol Vapour Plug & Nightlight.The Calpol Vapour Plug Refill Pads contain a blend of aromatic oils including lavender, chamomile, menthol, camphor and eucalyptus. These oils help to soothe and comfort your child at night time whilst helping to ease breathing.Contains 5 refill pads.