15 mL MetalFree® Centrifuge Tubes with Flat Caps, 25 per Rack, Sterile, CS500

These 15 and 50 mL co-polymer and polystyrene centrifuge tubes are now available in fully recyclable, reducible, and reusable racks. Tubes feature external, printed graduations and an external printed writing surface. Co-polymer tubes withstand a wide variety of chemicals but are crystal clear. Autoclave racks can be easily folded and ready for recycling with your other cardboard fiber materials. They have a unique design which requires significantly less cardboard material than other packages of similar design. Racks are stiff enough and stable enough to hold full tubes upright. Because these racks are cardboard, labeling is easyno label or sticker.