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Funnel ring-- this retort ring provides a more stable and safer support to your chemistry laboratory work.
Laboratory equipment-- used in conjunction with laboratory experiment. simple apparatus for laboratory chemical reactions.
Ring stand-- suitable for a biological and chemical laboratory test beds to support a variety of beakers, flasks, etc.
Test tube holder-- the retort ring is a used laboratory instrument used for physics and chemistry experiments.
Laboratory stand support-- the retort ring for fixing and supporting a variety of instruments, commonly used in filtration, heating experiment.