Screw Seals & Septas – Top Syringe

Colpak ND 13 Screw Neck Vials 15 x 45mm, 13mm Screw Seals, PP Black Screw Cap 8.5mm Center Hole, Silicone White / PTFE Red, 1.5mm Thickness, Temperature Resistant -60°C to 200°C

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