French size: 12 (4.0mm). Length: 48" (122cm). Clear, thermosensitive PVC tube with four eyes. X-ray opaque SENTINEL LINE with SENTINEL EYE. Open distal end. Integral funnel connector. Markings 18" (46cm),22" (56cm),26" (66cm) and 30" (76cm) from distal end.
Dye Sample, Refills for 24 Gels in Microtest Tubes, Kit includes: Instructions & Ready-to-Load* dye samples, safe, colorful, fast and simple way to teach technique which engage students, electrophoresis separates