The diameter of the well can vary from 100 to 300 mm; inside a PVC pipe is placed or a perforated or microperforated steel pipe, filled with draining material.
Inside a PVC pipe is placed or a perforated or microperforated steel pipe, filled with draining material. The diameter of the well can vary from 100 to 300 mm;.
The diameter of the well can vary from 100 to 300 mm;. Inside a PVC pipe is placed or a perforated or microperforated steel pipe, filled with draining material.
The diameter of the well can vary from 100 to 300 mm;. Inside a PVC pipe is placed or a perforated or microperforated steel pipe, filled with draining material.