Double Ring 3.8% Sodium Citrate 1: 4 ESR Tube

Double Ring 3.8% Sodium Citrate 1: 4 ESR Tube. Sodium Citrate 1:4 Additive: Specifically formulated for ESR testing with precise 1:4 ratio. Dual Material Construction: Available in both Glass and PET materials to suit different needs. Gamma Sterilization: Sterilized using Gamma rays for high safety and reliability. Two Year Warranty: Comes with a comprehensive two-year quality guarantee period. Custom Logo Printing: Supports printing of custom logos on the tube surface. OEM/ODM Services: Full customization available from samples, designs, or minor tweaks. Free Sample Availability: Free samples provided with freight collected by the buyer. CE and ISO Certified: Meets international safety standards with CE and ISO certifications.