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This O-Ring is a replacement part for the 6949M series of PYREX® microchemistry kits.

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Product Number	Product Name	Qty./Pk	Qty./Cs	Brand	Price	Unit Size
9900-3R	PYREX® O-Ring for 3.0/5.0 mL Vial	12 / Pk	12 / Cs	PYREX®	N/A	per case