1st stage water, pps 5 micron sediment filter here, what's the use? it's the filter that first encounters the water. in short, it cleans the water of coarse impurities and deposits in the water. undissolved particles in the water, dirt, sediment, coarse sand cleaning are provided with this first filter. this carbon filter, which is made of granular activated carbon as the 2nd stage, absorbs harmful organic chemicals by cleaning chlorine and chlorine compounds in the water to protect the ro membrane. it is important that the operation, maintenance, and filter replacement requirements are carried out as programmed or technically maintained to ensure that the product continues to function well. what does the 3rd stage cto carbon filter do? as the 3rd stage, the cto activated carbon filter hits the organic and chemical matters that cause color, taste, and odor in the water. it cleans chlorine and other chemical substances that should not be present in quality drinking water. one of its greatest features is that it protects the membrane filter and ensures that the reverse osmosis process runs perfectly. 4th stage ro membrane (main filter) what does the filter do? the membrane filter, which we can call the most important part of our 4th purification stage, in short, filters out all the contaminants in the water and ensures that clean water is obtained. it filters the water at the molecular level and purifies the water of microbes, bacteria, heavy metals, minerals that add hardness to the water, and all the contaminants in the water. 5th stage wb post carbon filter what does it do? the post carbon filter, which is the final stage of the purification device, increases the drinkability of your water. it is an antibacterial filter made from coconut shells. it contains 1100 iodine of the highest quality, which is a must-have coconut-based sweetener in water. technical information tank: our device contains a 2.2 gallon (8l) special antibacterial steel tank. features: includes a hose, a luxury faucet, a line intake, an nsf-approved tank valve, a shut-off valve, a flow meter, and a warranty certificate. a maximum of 10 orders can be placed for this product. swordslife reserves the right to cancel orders over 10. orders over 10 will be offered for sale at a promotional price. purchase the sale price of the product you reviewed. the listed price is valid until march 21, 2026. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.