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Nasco Whirl-Pak Black Bags - 55 oz. (1 627 ml) - Box of 500 - B01558
Nasco Whirl-Pak Black Bags - 55 oz. (1 627 ml) - Box of 500 - B01558: When it is necessary to protect a sample from light, the Whirl-Pak black bag is specially designed for this application. The polyethylene film is made from pigmented resins so the ...
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