HQUA-OWS-6 Ultraviolet Water Purifier Sterilizer Filter for Whole House Water Purification, 6GPM 120V 25W Model HQUA-UV-6GPM + 1 Extra UV Tube. Make sure you read all important parameters before purchasing. Including the size of in/outlet, the size of the chamber, wattage, flow rate… Hot Water Out Put Warning:The water in the chamber of this equipment can be very hot(Approx 140F)during an extended periods of no water flowing. It’s recommended to open the faucet until the hot water has been purged from your chamber. Keep your body away from the faucet during this time. To eliminate this condition, a temperature management valve can be installed at the outlet of your UV system. Package List: -304 Stainless steel chamber with 1/2”MNPT in/outlet. 2 uv bulbs with 4-pin end. 2 plastic brackets holder. Several o-rings use for sealing. Check your package with this list once you receive the package. We will send DOUBLE replacements of whatever you lost for free in next 3-5 workdays to help. CHECK YOUR BOOKLET in the package before you handle this system, Please! We will respond no more than 2 workdays. Pre-treatment: Water quality is extremely important for the optimum performance of your UV system. The following levels are recommended for installation: Iron. 75% Maintenance: Clean the quartz sleeve every 6-12 months, replace every 24 months. Replace UV lamp every 12 months to keep best sterilization performance. 2.5 x 22.8 x 2.5 inches. The item “HQUA-OWS-6 Ultraviolet Water Purifier Sterilizer Filter for Whole House Water” is in sale since Friday, October 5, 2018. This item is in the category “Home & Garden\Home Improvement\Plumbing & Fixtures\Water Filters”. The seller is “colornquote01″ and is located in US. This item can be shipped to United States.