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Rubber stopper with brass hose fitting for use with Erlenmeyer Flasks.
H-4913.1MS Rubber Stoppers for Erlenmeyer Flask Rubber Stoppers For 1,000 ml Flasks, H-4913.250S Rubber Stoppers for Erlenmeyer Flask Rubber Stoppers For 250 ml Flasks, H-4913.2MS Rubber Stoppers for Erlenmeyer Flask Rubber Stoppers For 2,000 ml Flasks, H-4913.4MS Rubber Stoppers for Erlenmeyer Flask Rubber Stoppers For 4,000 ml Flasks, H-4913.500S Rubber Stoppers for Erlenmeyer Flask Rubber Stoppers For 500 ml Flasks
