Labnics Blood Bag Tube Sealer automatically seals blood, infusion, and urine bag tubing in 2–4 seconds, accommodating tube diameters of 2–6 mm. High-frequency sealing technology minimizes hemolysis and blood leakage, while automatic voltage adjustment regulates the sealing process. Circulating air cooling supports continuous operation. Manufactured for sealing blood collection and medical fluid bags in blood banks, hospitals, and biological industries, this blood bag sealer supports blood component handling and storage workflows.