25mm, 0.2 µm: 175 25mm, 0.45 µm: 300 25mm, 0.8-0.2 µm: 145 25mm, 0.8 µm: 700 Instructions for Use (Aseptic Technique) 1. Before filling the syringe with sample solution, draw approximately 1 mL of air into the syringe. This will allow the air to follow the 2.