According to the Alliance for Water Efficiency, showers are the third largest water use after toilets and washing machines. Replacing an old shower head, particularly if made prior to 1980, head with a new model that uses less than 2.5 gallons per minute (an ultra-low flow shower head, for example, uses 1.5 gallons per minute) can help save water. Many modern American shower heads are already low flow but to be sure, a shower head that uses 2.5 gallons of water per minute constitutes low flow; the lower gallons per minute (GPM), the better. Here are our 10 favorites.
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