Ruiunchu 10 Pcs 3ml Pen Cartridge Bottle for Peptide V1-V2 Pens

【Compatible With Multiple Device Versions】This 3ml pen cartridge matches V1 and V2 style applicators, locks firmly after assembly and maintains steady connection through frequent disassembly and refilling cycles. 【Stable Glass Construction】This 3ml pen cartridge uses well-processed glass with consistent chemical traits to maintain stored contents unchanged under regular indoor storage conditions for long-term placement. 【Standard Internal Structure】This 3ml pen cartridge equips an 11mm standard piston structure with fixed volume, enabling smooth piston propulsion and consistent complete liquid output during every dispensing session. 【Individual Sealed Wrapping】This pen cartridge bottle comes with single-unit sealed outer packaging that isolates external interference, preserving each cartridge’s original intact state until you prepare it for first-time filling. 【Practical Ten Unit Pack Selection】This peptide pen set includes ten separate cartridges for spare stock demands, organized outer packaging supporting tidy cabinet storage and hassle-free transport for outdoor operations.