GLASSIA® [Alpha1-Proteinase Inhibitor (Human)] 1.0g / 50mL vial. Each single-use vial is labeled with the total Alpha1-Proteinase Inhibitor (Alpha1-PI) functional activity in mg. This vial size contains not less than 800 mg active Alpha1-PI. GLASSIA® is packaged with a sterile 5-micron filter needle.