CHEYENNE ZODAX Porcelain Diffuser - Siberian Fir Fragrance Porcelain Diffuser Do not place porcelain diffuser on furniture or counter top without a protective tray. The Porcelain figure extends down into the liquid fragrance and wicks up scent that diffuses into the room from the surface area of the porcelain.Simply remove the porcelain figure, pour the fragrance into the glass bottle, replace the porcelain figure and sit back and enjoy the fragrance 24 hours a day for months.