Laojun is listed as a major health program established by Chinese Preventive Medical Academy. We have specialized in this area for more 10 years, and our products enjoy great popularity all over the world. It is made from new style of pyrethrum, has strong and high effect, with faint scent and amenity around. It is harmless to human and pets. Each can last for 30 days with 10 hours per night usage which is effective indoor up to 20cbm. OEM is accepted. Packing: 42ml/bottle, 48 bottles/ctn, with color box