End and needle caps for Optimum barrels 3-70 cm³, blue - Nordson EFD 7366071

These end and needle caps keep Optimum syringe barrels air-tight, so you can pre-fill barrels and reuse partly used ones without wasting material.

• Centre push button gives a firm, air-tight seat with a visual fit check
• Vent openings stop air from entering the barrel while the cap is fitted
• Needle cap with large knurled grip for easy handling
• Fits 3, 5, 10, 30, 55 and 70 cm³ barrels
• Blue and green colour coding for quick sorting