Comes with a 1/4" FIP connections.1/4" Slide Ports Spin Water Eliminating ShadingSight Port316 Bonded Stainless Steel Interior Maximizes Killing Power By Reflecting U.V. Light and Eliminates Degradation Of Polypropylene HousingStainless Steel Leaves no Taste In The WaterSnap - Fit Cap For Quick Lamp RemovalEasy To Clean Quartz SleeveLow Cost replaceable LampSpecificationsLAMP LIFE: 1 YEAR PLUS CONTINUOUS OPERATIONU.V. OUTPUT: 30,000 MICRO-WATTS AT MAXIMUM FLOWINLET WATER TEMPERATURE: 40° - 105°FMAXIMUM OPERATING PRESSURE: 85° P.S.I.MAXIMUM STATIC TEMPERATURE RISE: 16.1°F ABOVE AMBIENTOPERATING VOLTAGES AVAILABLE: (120V - 60HZ) (220V - 50HZ) (12VDC)