Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si What can you receive: The sufficient provides you a wide choice to meet your burner wick replacement needs in . The diameter is about 18mm, which is the regular size suitable for most catalytic aromatherapy , and check the size purchase and long-lasting: the catalytic core is made of various mixing materials of clay and fabric thread, manufactured by a good process to become a porous core, and safe to apply, can service you for a long time Air control catalytic: the oil lamp wick can be lit with fire, or you can just put in oil bottles, and it has a good absorption effect, that can be applied with aromatherapy bottles and essential oils, will bring to your room Wide range of applications: these air control catalytic burner lamp wick replacements can be combined with any ordinary catalytic , and you can put on the table, desk, living room, bedroom, kitchen, bathroom, office, or other , to purify air and give you a good mood color:Beige + gold Material:cotton thread, metal, clay Package Contents: 2 x catalytic wick replacements Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.