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Ring extension-- suitable for a biological and chemical laboratory test beds to support a variety of beakers, flasks, etc.
Laboratory ring-- this laboratory support ring is very practical and can be used to hold laboratory glassware and other items.
Retort ring-- made of stainless steel material, ensuring it durable, , rust proof and sturdy constructed.
Laboratory stand support-- the retort ring for fixing and supporting a variety of instruments, commonly used in filtration, heating experiment.
Ring stand-- the retort ring is a used laboratory instrument used for physics and chemistry experiments.