BD-368774 Plastic RST Tube, Orange Hemogard Closure, 13 x 75mm, 5mL, Paper Label, 100/pk, 10 pk/cs (Continental US Only)BD 368774 Plastic RST Tube is a vacuum blood collection tube designed for rapid serum testing in clinical laboratory settings. Featuring a 13 x 75 mm plastic tube with a 5 mL draw volume and orange Hemogard closure, it supports fast serum separation for efficient diagnostic processing. The tube includes a paper label for specimen identification and is commonly used in hospitals, laboratories, and diagnostic centers.