Pack of 5 Acrylic Burettes with 50mL capacity are durable, lightweight, and resist shattering, impact, and most non-abrasive cleaners including ammonia and strong detergents. The ±0.10mL tolerance meets ASTM Class B / DIN ISO 385 standards for precision. Comes fitted with a polytetrafluoroethylene (PTFE) plastic plunger key stopcock affording low friction use while resisting chemicals, moisture, and high temperatures. The burette has an easy-to-read blue scale with 0.10mL graduations. Calibrated for delivery. Note: Not for use with hydrofluoric acid or ammonium hydroxide. Not autoclavable.

Replacement 4” stopcock plunger: CH0233BSPR