Features: Easy to Read: Acrylic transparent panel, easy to read, clear at a glance. Highly Precise: High measurement accuracy, less than 4. Material: The flowmeter float is made of plastic, with excellent acid and alkali corrosion resistance. Due to its corrosion resistance, it can measure acids, alkalis and various mix liquids and neutral-liquids. We provide 4 flows meters with different ranges, you can choose the most suitable flows meter. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Model: LZB-15D Material: Plastic Glass Interface Type: Plastic Flat Port Inner Diameter 20mm Applicable Medium: Liquid Liquid Accuracy: 4 Flows Range: 5-50L/H Working Pressure: Working Temperature: 0-60 DegreeC Size: 20 x 4 x 4cm / 7.87 x 1.57 x 1.57in Package List: 1x 5-50L/H Tube Flowmeter