Here is a used but nice Buchi rotovapor evaporation cold trap condenser. Has inner and outer glass with seal ring and lid. Ground glass side and bottom link.
Product Description ETA hand2mind 18280 Support Rings are used to support flasks and beakers on a ring stand. The rings are made of zinc-plated steel and fit rods up to 3/4" in diameter. The set includes one 2" and one 4" ring.
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