These economical, charcoal gray, open-cell foam racks have a capacity for 50 tubes in a wide range of sizes. Ideal for storage on benchtops, in incubators and refigerators/freezers. Racks will float for use in waterbaths. Can be used to protect valuable, fragile tubes during mailing/shipping. Ideal alternative to expensive plastic racks. Both sizes packaged 6 racks/pack.
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