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Nutriculture X-stream neoprene clone collar is designed for aeroponic X-stream propagators. At 47mm it fits neatly inside 46mm net pots supporting your cuttings perfectly. Designed for cloning machines neoprene clone collars support cuttings propagated in net pots without the use of artificial media. They are manufactured from a durable, soft material that is designed to hold and protect new cuttings without damaging any of the plants delicate tissue. A slit from the center to the outside edge makes inserting and removing clones simple.