Graduated in amber stain, these Class B burettes are fitted with a General Purpose Rotaflo® PTFE needle valve stopcock allowing fine flow control.
- Complies with ISO 385
- With GP Rotaflo® stopcock having PTFE key - no lubrication required, no seizure with caustic solutions, provides fine drop control, 3.0mm key bore
- Graduations in permanent amber stain which is fused into the glass and is especially resistant to aggressive cleaning solutions
- Manufactured from borosilicate glass
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