15mL Centrifuge Tube - Black, Bag, Sterile

Part Number: 229431

• Black tubes protect light sensitive compounds and eliminate the need to wrap tubes with aluminum foil
• Large white marking area provides excellent contrast for identification
• Easy to write on flat surface polyethylene (HDPE) caps feature integrated leak-proof seal
• Convenient zip-closure bag is a practical alternative to folding and taping opened bags
• Easily refill reusable racks with tubes packed in bags