No drilling required for installation Water purifier water purifier toilet seat water purifier rust removal filter sediment filter element kitchen bathroom Suitable for all kinds of common faucets, such as sinks, showers, etc. For washing machines, dimensions may vary. 5 micron PP cotton filter: filter sediment, rust, algae, red worms, parasites, etc. to purify water Recommended replacement time: 1-3 months, the specific replacement time is determined according to the local water quality Applicable water pressure: 20~ 150PSI Applicable temperature: 0~60C Maximum flow: 8LPM Notes: For washing machine purposes, some houses use different types of water inlet hoses/faucets. You can buy connectors/converters or faucets at a hardware store if they don't fit. Installation is performed by technicians. White tape must be used for all joint connections.