Water Purifier for Big Offices and Factories is based on advanced ultra filtration membrane technology and is used to give pure, safe, bacteria and virus free drinking water. Permionics Membranes Pvt Ltd manufactures Water Purifier with Inbuilt 4 Litres Storage Tank. Permionics Membranes Pvt Ltd also manufactures various types of membranes. The Water Purifier for Big Offices and Factories, Model Hiflo, can be attached to a water cooler. This Water Purifier also finds an application in banks, health clubs, hospitals, hotels, schools, colleges. This Water Purifier has no electricity required for purification. This Water Purifier has auto flushing system for self cleaning of membrane at regular intervals.