Provide pure water in your consuming everyday. Protect your home, health, and home equipment by way of means of filtering your water. Inner and outer diameter of membrane wire: 400 +/- 10/600 +/- 10μm Purified water flow: 3500ml/min Operating temperature: 4-45 Celsius Working pressure: zero Filter precision: 0μm Bursting strength: more than 0 Recommended alternative period: 12-18 months Interface: 20 inch flat mouth common Colour: picture colour Material: Hollow fiber Size: 508x70mm Package Contents: 1 * filter out elements Only the above package content, varied item should not included. Note: Light and assorted exhibits may cause the color of the item in the picture somewhat different from the real thing. The size allowed error is +/- 1-3cm.