Microyn 7pcs PTFE Stir Bars Set for Magnetic Stirrer Mixer (Five Straight Bars of 15,20,25 35 and 50 mm, One Cross-Shaped Bar of 38 mm, and One Stir Bar Retriever of 200 mm)

描述

Microyn 7pcs PTFE Stir Bars Set for Magnetic Stirrer Mixer (Five Straight Bars of 15,20,25 35 and 50 mm, One Cross-Shaped Bar of 38 mm, and One Stir Bar Retriever of 200 mm)