COMPLETE SYSTEM: Includes Mounting Clamps, Quartz Sleeves, UV Bulbs, and Ballasts. Easy installation. Horizontal or vertical installation. LED Working / Non-working Indicator. Replacement filter package for this system is Amazon item B07T7L5GDH Please note that this unit will ship in two separate boxes. One with the UV light and one with the filters. Includes Easy Step by Step Installation Manual > Powerful 110W Whole House UV Ultraviolet Water Sterilization Unit. Also a Triple Heavy-duty Construction 20" Whole House water filtration systems with (20 micron) String Wound Sediment, (5 micron) Carbon Block and 1 Micron Melt Blown Sediment cartridges. Excellent to remove Sediment, Chlorine, Odors and many other chemicals and contaminants.> Complete Systems with Filter Cartridges, UV Bulb, Wall Brackets with Screws and Housing Wrenches. Heavy Duty Stainless Steel Unit High Capacity: 24 GPM Inlet / Outlet: 1" NPT Length: 36" UV lamp: 110W Voltage:110V Ballast: LED Indicator Light UV Lamp Life: 9000 hours (about 1 year) housing Wrenches Sediment & Carbon Filter Life:(8-12 month). Purifying your water with Ultraviolet light is exceptionally simple, effective and environmentally safe. UV systems don't add any chemicals or change your waters taste or odor. Includes 3 Mounting Clamps Powerful 110W Whole House 24 GPM UV Effective for both residential and commercial water purification. This system can be used for city/municipal or well water. Environmentally Friendly. Chemical Free. No chlorine. No change of taste, color and odor. We have designed and built a new high performing ballast with LED and Alarm indicators. Previous issues with the ballasts are all resolved. In a new packaging for better protection during the shipment. The piping doesn’t need to be metal but UV light will degrade PVC piping over time, causing damage to the pipe plastic. We recommend at least 10" of copper or stainless steel for the cylinder conection.