60 Unit Peptide Pen, Research Reusable Peptide Pen Injector with Protect Case, Clear Scale Design, Universal Compatibility for 3ml Cartridges (Green)

20 weeks is nuts. If you're going to be piecing that top many multiple times, I'd suggest getting a peptide pen instead and just loading that up. It's much easier. This is the one I use for subQ https://a.co/d/07sCNwqu