Adopts the source material, stable and reliable performance. Counting system adopts vacuum sealing, prevent condensation atomization. Word wheel and pointer display can keep clear reading for a long time, reading is never polluted. Counter with arbitrary rotation function, bring convenience to the meter reading. Wide measuring range and small initiating flow. Beautiful appearance, small size. Feature - Color: As Shown. - Material: Metal. - Size: 17.00X9.00X9.00cm/6.68X3.54X3.54in. - Nominal diameter: 20 (mm) - Nominal pressure: 1.0 (MPa) - Demarcation flow: 1 (m3/h) - Working temperature: 0-90 ( degree centigrade) - Maximum scale: 9999 - Minimum reading: 0 - Path: 20mm - : 20mm - Protective cover: the cover of this hose mater can protect the glass not being easily broken by accident. - Durable Material: this water meter are made from the materials, resistant to corrosion and condensation deposits;meter cover is made of plastic, the bearing elements are made of quality copper, wear-resistant synthetic material, and other elements made of modern plastics. - Easy to Install: Just like install these old school water meter, you just need one wrench and some sealing material to install it. - Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 2 Meter