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The main ingredient in almost all water filters is activated carbon, which is a form of carbon that has been processed to make it extremely porous and thus to have a very large surface area available for absorption of chemicals and impurities.
If it's been a while since you replaced your fridge filter on your Whirlpool or Viking refrigerator with a model number of 4396710, then both of these filters should work to replace your old filter. They are designed to reduce the amount of impurities such as lead, mercury, cysts, and other things in your water that can harm you. While the SwiftGreen filter has a capacity of 300 gallons, the Whirlpool original filter has a lower capacity of 200 gallons. Optimal temperature ranges from 33 to 100 degrees. Water comes out at about half a gallon per minute.
Change your refrigerator water filter once every three to six months, or when your water has an "off" taste. Another good sign that you need to change your filter is when the water pressure seems slower than usual. To change the filters, all you need to do is to push the button at the bottom of your refrigerator grille until the old filter pops out. Remove the cap, take out the old filter, and put the new filter in place. Pop the new filter in place, remove the red caps and push the new filter in place. With these filters so easy to change out, changing them every few months should be a snap. Buying three at a time is an economical choice, reducing how much you have to buy in the longer term.
