Calpol Vapour Night Plug In Refills pads 3+ months 8 hours (REFILL Pads only)

Using the foil to hold the pad, slide the pad into the slot of the vapour plug. Unplug the vapour plug when not in use. When replacing a used pad, inserting a fresh pad will push out the old one. Harmful to aquatic life with long lasting effects.

eBay