Hyber&Cara 4 Pcs 10ml Glass Pipette Dropper Graduated with Rubber Suction Bulb + 2 Pcs Cleaning Brush

SpecificationsOverall Length ( with blue rubber bulb ): 24.5CMPipette Length: 20CMOuter Diameter: 1.3CMCapacity: 10mLMinimum Scale: 0.2mLMaterial: Glass Use TipsIt should be washed with chromic acid wash to remove oil of the inside wall.Then the remaining lotion is washed with water, and washed with distilled water again.After washing, the pipet wall should not have water droplets. Before remov...