Four small holes: Bundling through four small holes is stronger and more efficient than four corners.
Automatic buckle: More convenient, more flexible disassembly, can be completed by one person.
Observation port: The branch can extend from the observation port. Use black tape to seal when not in use. Prolonged ventilation will affect the rooting time.
Water inlet: The diameter of the water inlet is increased to facilitate watering.
Adjustable: The bottom can be adjusted reasonably according to the diameter of the branches.