40W 12GPM unit, 37.2*2.5 in stainless steel chamber, 3/4 (DH20, OD 1.05 inch, 26.67cm) MNPT inlet/outlet. | Easy installation, No plumber needed. Horizontal installation and metal connector for the inlet/outlet is recommended. | NO CHLORINE, Chemical Free and Environmentally Friendly. No change at taste, color, odor, PH. | Safety and Reliable, 304 stainless steel and Quartz glass are proved to be reliable in different temperature, pressure, pH. And the only materials that will contact with your water.

NOTICE: Please make sure you know what are you buying.Make sure you read all important parameters before purchasing.Including the size of in/outlet,the size of the chamber,wattage,flow rate...You are welcome if you got any question before you buy this item.Contact us,Please! 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 3/4" in/outlet. -2 uv bulbs with 4-pin end. -1 quartz sleeve. -1 electronic ballast. -2 plastic brackets holder. -Several o-rings use for sealing. Check your package with this list once you receive the package. Commitment:If something were missing or broken,contact us please.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...