60 Unit V4 Peptide Pen Injector, Reusable Auto Pen for 3ml Cartridge

60 Unit V4 Peptide Pen Injector, Reusable Auto Pen for 3ml Cartridge

• 【Minimal Residue Sealing Design】The reusable pen injector for peptides realizes air-liquid isolation, effectively reducing liquid contact with air, the design has been optimized to minimize the problem of residue.
• 【Wide Compatibility with 3ml Cartridges】The peptide injector pen perfectly fits standard 3ml cartridges (11mm stopper) (purchase separately), the cartridge holder's open-view design makes liquid level checks easier and more intuitive
• 【Extended Ergonomic Design】The newly extended pen body provides a more balanced grip and improved handling. Designed for enhanced comfort and control, it makes every adjustment feel more natural and effortless
• 【Refined Button Response】The upgraded internal drive mechanism delivers a smoother, lighter, and more responsive button action.
• 【Premium Build for Reusable Use】Built with a durable aluminum alloy body, upgraded protective finish, and portable travel case. Designed for long-lasting daily use with comfortable handling and quick cartridge replacement.
• 【Note】Our products come with detailed user manuals. After installation, turn the peptide pen upside down, select 2 units at a time, and press the knob to release excess air until a small amount of liquid flows out