Check the listing for details. Open Box Sundance ClearRay XL Bulb ( 6472-841 ). Color: Clear, Condition: Open box. Listed at 76.00 USD. Sundance Spa ClearRay XL Bulb 6472-841 Open Box - Box is open, bulb is not used. Brand New. OPEN BOX meaning - Box is opened, item has not been handled or used. Returns are not accepted on open or used items. All sales are final. Sundance® Spas / Jacuzzi® CLEARRAY® Replacement Bulb Formerly 6472-857 Now 6472-841Do not be fooled by off brands. This is a Genuine Sundance ClearRay XL Bulb. Sundance® Spa XL Replacement Bulb New CLEARRAY® XL designed by Sundance® Spas. 20% larger bulb New connection port Backwards compatible - works with older model Sundance® Spas. Original Sundance® Spa Parts.After a year the bulb must be replaced. A message will appear on the LCD display when the time allotted has expired.In order to clear the “blb” message a new UV bulb needs to be installed and the timer must be reset.DO NOT TOUCH THE NEW UV BULB WITH YOUR BARE HAND.Oil on your skin will cause hot spot on the UV bulb and shorten the life of your UV bulb.Use the provided latex glove to handle the UV bulb.Sundance® Spas / Jacuzzi® CLEARRAY® Water Purification System on all 2012 models as a factory installed feature*. After years of both external laboratory and in-field testing Sundance® has selected a system that makes water care a breeze, even reducing the amount of sanitizing chemicals needed**. The system treats water using exclusive UV-C light technology, which means no gas, chemical, or other by-product is added to the water or produced as a result. This proven technology has a strong track record of success in hygienic and clear water driven industries, including: hospitals, pharmaceuticals, bottling & beverage, industrial and municipal water treatment, and aquariums.• Treats 99.9% of waterborne pathogens• Factory installed* exclusive UV-C Technology• Up-to 50% reduction in sanitizing chemical usage**• Easy care and maintenance with annual bulb replacement• No harmful odors or by-products produced• Durable stainless steel and quartz components An RMA/RGA is required to return all items If you have any questions, please contact Clearview Fireplace and Patio We would be happy to help