Features: This filter pressure gauge can monitors the working state of this filter in realtime to ensure efficient filtration and purification of water quality. High accuracy, strong durability, easy installation and operation, suitable for various filter types. Suitable for household users, business place and water treatments professional in the industrial field. Can be widely used in household water purification systems, drinking fountains, swimming pools, industrial filters and other place. This gauge for easy reading, and a corrosion resistant stainless steel case, ensuring long lastings performances in demanding environment. Specifications: Component:Metal Shell Size:As Picture Shown Style: pressure gauge/vacuum gauge Package Includes: 1pcs Filter Pressure Gauge note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.