Like Tap water, city water, underground water, well water, borehole water,etc.?   

The report can show your water quality by TDS ,or some metal element content.

Such as 500liters per hour, 1000L/H, 2000L/h, …

Like direct drinking, industrial use or bottled water…

Different raw water ,the using life is different,Generally speaking,it is as below. a. quartz sand: 2-3 years b.activated carbon: 1-2 years c. water softener resin: 1 year d. PP filter element: 3-6 months e. membrane: 1- 2 years f. UV lamp: 8000 hours