Grand is an EIGHT stage water purification solution. This comprises of an effective reverse osmosis system, in addition to other filters and pre-post, silver impregnated carbon matrices. The water, before undergoing reverse osmosis, passes through 5 & 1-micron sediment filter which strains out physical impurities present in the water. The RO Pack has been designed with semi-permeable membranes. The activated carbon pre and post-RO remove the bad taste, odor and enhance the natural taste while maintaining the mineral content. Further, the beauty of GRAND is that even traces of microbial that could be carried over are not allowed a survival. The outcoming water is clean, clear, safe sparkling healthier water. GRAND works perfectly when the TDS load of the water to be treated is 2000 ppm, Max. Specifications An EIGHT (08) stage water purification solution. Ro system comprises a semi-permeable membrane.(80 GPD) Purification capacities of 15 LPH. Maintains the basic mineral content of the purified water. Performs satisfactorily when row water is 2000 ppm, Max. TDS. Elimination of physical, suspended impurities, organic impurities, gases odor & microbial. Warranty Warranty Summary 01 Year Warranty Warranty Service Type Onsite Warranty Covered in Warranty Manufacturing Defects Not Covered in Warranty Physical Damage Domestic Warranty 1 Year unconditional warranty with all parts