4 mL Sterile Disposable Sampler Tubes with Caps on, Sterile, 50/pk, 1000/cs

USP VI Polypropylene Tubes, HDPE Caps. Self-standing: the vial placed on the lab workbench steadily even without a base. Electron Beam Sterilization, SAL=10-6: safe, fast, environment-friendly, no chemical residues. 100,000-level Clean Workshop Production, DNAse-free, RNAse-free, pyrogen-free, endotoxin-free. Temperature Range: Approx.-196°C to 121°C Excellent sealing performance, no leakage of negative pressure 95Kpa, ensuring safe and effective air transportation. RNase and pyrogen free Electron beam sterilization, SAL=10-6