Micrewtube® PP Tamper-Evident 0.5~2㎖ Sterile Microcentrifuge Tube, with O-ring Seal Screwcap, AutoclavableMulti-use for Cryo. Vial & Centrifuge Tubes, White Printed Graduation, 17,000 rcf, -190℃~+121℃, 기밀유지 안전 마이크로 튜브 (DH20030300P3338)