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INTLLAB PTFE Magnetic Stir Bars, Assorted Sizes, 7 Count… $6.99, $1 each, best price + free prime ship
INTLLAB 7pcs/Pack Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars Type-C Use along with a compatible Erlenmeyer Flask and Stir Plate to do Stir Plate Yeast Starters. Why a Stir Plate? The c…