50 mL Centrifuge Tube, Paperboard Rack, 2 Plastic RackMasters, Sterile, Graduated, 25 pieces/rack, 20 racks/case (500 total)

This 50 mL centrifuge tube package from CELLTREAT Scientific Products offers a combination of convenience and value with premium tubes, paperboard racks and two reusable plastic RackMaster carriers. Each tube delivers laboratory-grade performance with precise 0.5 mL graduations, enhanced pellet visibility, and secure green HDPE caps with leak-proof seals. Certified sterile, non-pyrogenic, and RNase/DNase-free, these durable polypropylene tubes withstand demanding applications with 16,000 × g centrifugation capability.

The innovative dual RackMaster system provides exceptional additional value with two autoclavable plastic carriers included in each package. These thoughtfully designed carriers protect the recyclable paperboard racks from laboratory moisture while offering convenient side compartments for storing markers, spare caps, and additional tubes. This intelligent design allows continuous reuse of the plastic carriers with replacement paperboard racks, significantly reducing environmental impact and operational costs compared to conventional foam rack systems.

This complete set includes paperboard racks containing 25 tubes each, packaged with two plastic RackMaster carriers per bag, for a total of 500 tubes per case. The sustainable combination of high-performance tubes with recyclable paperboard inserts and reusable plastic carriers represents the perfect balance of quality, convenience, and environmental responsibility.

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