BARREL BLACK + PISTON WHITE OPTIMUM 55CC SET 500

Optimum® syringe barrels feature ZeroDraft™ walls with consistent internal diameters that maintain an airtight seal with pistons to ensure accurate, consistent fluid deposits, eliminating the need to deal with messy blow-by, pressure variation, or contamination. Made in US Nordson facilities which are silicone-free and where every single syringe is tested. White SmoothFlow™ (General Purpose) Pistons.