A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it's non-workdays, please kindly be patient and wait till Monday.The item "Industrial Water Chiller Cool Single 60W 80W Laser Tube Diode CW-3000 110V 60HZ" is in sale since Thursday, January 2, 2020. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Water Baths, Circulators & Chillers". The seller is "promotion_sales" and is located in Rowland Heights, California. This item can be shipped to United States.