·         Blood collection tube in 13 × 75 mm format, made of PET, capacity 1.6 mL.

·         Black cap containing 3.8% sodium citrate, a concentration specifically used for measuring erythrocyte sedimentation rate (ESR / VS).

·         Ensures effective anticoagulation while preserving red blood cell integrity, an essential condition for reliable results.

·         Designed to meet the requirements of medical analysis laboratories and standardized ESR protocols.

👉 Ideal for accurate, reproducible, and clinically compliant results