How to make your own water filtering device in rural areas?

1. The first step is to cut the plastic water bottle, as shown in the picture below.

2. In the second step, poke a hole in the bottle cap, as shown in the picture below.

3. Put cotton into the bottle, as shown in the picture below.

4. Put in gauze, as shown in the picture below.

5. Add activated carbon, as shown in the picture below.

6. Put another layer of gauze, as shown in the picture below.

7. Pour in the river sand, as shown in the picture below.

8. Put in the stones, as shown in the picture below.

9. Place the completed device on the shelf and fix it, as shown in the picture below.

10. Pour the sewage into the device, as shown in the picture below.

11. As shown in the picture below, clean water will flow out, and the rural water filtering device is ready.