Learn how to use this product This mechanical pipette controller can be used with all pipettes up to 100 ml. This pipette controller is robust and lightweight, making it easy to use and perfect for comfortable and precise pipetting. It also comes with an integral, replaceable 3 μm hydrophobic filter to ensure the purity of your samples. The pipette controllers are available in various colors, including blue (PX LHP-PH02), red (PX LHP-PH03), green (PX LHP-PH04), and yellow (PX LHP-PH05).