Materials : HDPE + PP flat cap.
Size : dia. 8.9 cm
Available Length : 33cm、66cm、99cm
#Features :
● If the tree is sick, it is convenient to administer medicine for treatment.
● Foaming stone can also be added, which can increase the dissolved oxygen rate, provide oxygen to the roots, and make the trees grow better.
● When it rains or waters, water and oxygen can quickly reach the roots of trees, saving water and time.
● It can also be used as a fertilizer storage box to improve soil properties and provide a suitable growth environment for plants.
3 inches HDPE Breathable Pipe