The warranty does not cover any faults caused by operator error and modifications of any kind.
VWR® Advanced Magnetic Hotplate Stirrers
VWR Scientific 7 x 7 Standard Aluminum Magnetic Stirrer 97042-630
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VWR® Dyla-Dual™ Hot Plate Stirrer
VWR Standard 986900 Multi-Position Stirrer
VWR Hot Plate
VWR 11301-062 820 Digital 10 X 10 Glass Top 1 Phase 120VAC Stirrer
VWR 97042-750 10 x 10 Stirrer $746.20 - PicClick
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VWR Hotplate Stirrer - The Lab World Group