Ashleigh & Burwood London Starter Set, 1 pc, Refills for Catalytic Lamps Home Scents, The Ashleigh & Burwood London Starter Set catalytic lamp is the perfect accessory for your home and office, in hotels and spas. The secret of the catalytic lamp is based on the principle of a catalytic reaction – burning without a flame. The lamp is designed both to add fragrance to a room and to clean and disinfect the air in enclosed spaces. Characteristics: gives the whole space a beautiful fragrance can safely be left unattended fights microorganisms commonly found in the household destroys all odours in the room, including cigarette smoke, cooking fumes or pet odours The set contains: Obsidian Clear catalytic lamp 1 pc Frosted Earth catalytic lamp refill 250 ml How to use: Remove the decorative and extinguishing lids from the lamp, then use the funnel to pour the fragrant essence in until two-thirds full. Put the wick and stone back in the lamp and close with the extinguishing lid. After about 20 minutes, once the fragrance has risen from the wick to the stone, take a lighter and light the stone. Let the flame burn for 3-5 minutes, then blow it out and cover the stone with the decorative lid. The catalytic process has now begun and the lamp will start to emit a scent. When you reach the desired intensity of the fragrance, swap the decorative lid for the extinguishing lid.