Westergren ESR Pipettes, PS, 4.5×230mm, Disposable, with Fibrous Plug and Self-Sealing Stopper (For use with 12-13mm Blood Collection Tube)

The Westergren ESR Pipette is a disposable plastic tube designed for accurate measurement of the Erythrocyte Sedimentation Rate (ESR) in clinical laboratories. Made from high-clarity polystyrene (PS), this pipette ensures precise readings while maintaining safety and convenience in daily hematology testing.

A fibrous plug positioned at the zero mark prevents hazardous aerosols or blood from escaping through the top, while the self-sealing stopper provides a secure connection to standard 12 mm and 13 mm blood collection tubes. The pipette is graduated from 0 to 170 mm with 1 mm divisions, following the Westergren method, ensuring consistent, reproducible results.

Features:

• Material: Polystyrene (PS) – clear, rigid, and inert
• Dimensions: Ø4.5 × 230 mm
• Graduation: 0–170 mm with 1 mm sub-divisions
• Fibrous safety plug at zero mark prevents contamination
• Self-sealing stopper fits φ12 mm and 13 mm blood collection tubes
• Complies with Westergren ESR testing standards
• Disposable for improved biosafety and convenience

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