Several weeks, but it depends on how often you put water through it. The more often you pass water through it, the sooner it should be replaced.
Brita water filters are more expensive than your average water bottle, thus they are expected to be well-built and durable enough to last a long time. Based on customer reviews, however, they don't last long (not more than 4 months according to some), and the expensive filters break easily.
Three popular brands of water filters are Culligan, Pur, and Brita. Most, if not all of these, can be found in your local Wal-Mart. They may be more expensive than the cheaper one that stopped working, but they will last longer.
It will last as long as the bottle holds up.
Refrigerator water filters usually last about six months before needing to be replaced.
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It takes 1,000 years for the typical plastic water bottle to degrade in a landfill.
Fridge water filters typically last for about 6 months to a year, depending on usage. They should be replaced when the filter indicator light comes on or if you notice a decrease in water flow or quality.
Water filters in refrigerators typically last for about 6 months. They should be replaced when the indicator light on the refrigerator signals that it's time for a new filter, or if the water starts to taste or smell different.
If they use it wisely, yes!
Yes carbon is the second last level to purifying water. first grave, sand, carbon, then paper filters.
Activated carbon filters typically last between 3 to 6 months before needing to be replaced, depending on usage and the level of contaminants in the water or air being filtered.
Would you drink a glass of water that was brown or green with little creatures swimming in it? Water treatment includes taste & order control as well as making it bacteria free and clear and filters remove the mystery materials. (iron, flock, sediment)