Insulin Pen Humapen Insulin Humapen ergo2 Insulin Pen Product specifications of HumaPen Savvio include a reusable insulin pen made from durable anodized aluminum, ensuring long-lasting use. This easy-to-use pen is compatible with Lilly 3mL insulin cartridges and works with BD (Becton, Dickinson and company) pen needles. It is available in various colors, allowing users to choose a design that fits their style. It weighs only 126 grams (0.28 lbs), making it lightweight and comfortable, which is ideal for everyday insulin administration. HumaPen Savvio combines convenience and reliability for those managing diabetes or similar conditions. The pen is reusable for up to 5 years when maintained properly.