Electric Water Heater Copper Screw Electric Shock Proof Partition Wall Device f54 Features: Made of high-quality materials, durable and easy to use. The partition wall is the isolation method of water, electricity and negative attenuation. The water heater is easy to leak electricity, and the flow of water through the inside of the anti-electricity wall can reduce the current, so there will be no electric shock. Scope of application: storage water heater/instant water heater/electric hot water faucet, etc. Quick and easy installation and easy replacement. Package Includes: 1x Water Heater Partition Wall Specifications: Material: Copper Type: Red Partition Wall/ Blue Partition Wall/ White Partition Wall/ Pressure Relief Valve Length of Partition Wall: Approx. 69mm/2.72inch Pressure Relief Valve Length: Approx. 43mm/1.69inch Interface: 1/2 note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.