Features: Features efficient impurity removal and anti burst design, ensuring clean water supply while protecting appliances from sediment damage. Built with heavy duty brass PC construction, this water heater filter withstands high pressure and installs effortlessly without pipe modifications. Ideal for homeowners, landlords, and property managers seeking to safeguarding water heaters, washing machines, and kitchen fixtures from clogging. Perfectly integrates with residential gas/electric water heating systems, urban apartments, and vacation homes requiring reliable water solution Certified leak proof combines 3 layer technology with corrosion resistant materials for long term plumbing protection and maintenance free operation. Specifications: Component:Copper+PC Type:A/B/C Size:Approx.2x10cm/0.79x3.94inch Package Includes: 1 Set Pre Filter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.