Holders & stands
Replacement Plastic Cartridge Holder
$5.00
- Most orders ship same day
- Free shipping over $59
- Ready to use on arrival
- 7-day guarantee
A replacement plastic cartridge holder — the piece every RefillPen already comes with. You only need this if you're replacing a holder on an existing pen.
Common questions
Do I need to buy this?
Usually no — every RefillPen already ships with this piece. Only buy it if you need to replace one on a pen you already own.
Will it fit my pen?
We can only guarantee fit for pens purchased directly from refillpen.com.
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V2 Peptide Pen
Our best-selling everyday reusable peptide pen — open cap, one click per unit.
Color: Pink Champagne - Black Dial
$24.99
3ml Individually Packed Glass Cartridge For Pen
The $1 sterilized 3 mL glass refill that fits every RefillPen.
$1.00
Halo Cartridge Holder
A filling block that holds your cartridge steady for a clean, bubble-free fill.
Color: Black
$9.99
3ml Peptide Vial Travel Box
Padded hard case that keeps your 3 mL vials sorted, protected, and travel-ready.
Box Color: Black
$25.99