3mL Pen Cartridge 20 Pack - NEW Upgraded EASYLOAD PRE-PURGED 3mL STEAM STERILIZED Research Pen Cartridges – Single-Use NO Venting Required - Pen-Depot.com by ENDURAPEP (20)

• Easy to use - Individually packaged and STEAM STERILIZED
• No Venting Required
• 20 - 3mL - 11mm LONG STOPPER CARTRIDGES
• Works with all Pen-Depot V1 and V2 pens and most other research pens that accept 3ml - 11mm long stopper cartirdges
• Next Generation design by Pen-Depot and ENDURAPEP

3mL Pen Cartridge 10 Pack - NEW EASYLOAD PRE-PURGED 3mL STEAM STERILIZED Research Pen Cartridges Next Generation Single-Use NO VENTING REQUIRED Fits all Pen-Depot Version 1 - Marquee and Axis Version 2 Research Pens along with most other V1 and V2 Pens.