The Filter Change Light is an easy way to see when it is time to change your filter. Your light will change from green to yellow, and from yellow to red. This will inform you that your filter has reached the end of life at approximately 40+ gallons over 2 months of time.

Do PUR Filters Work? It depends on what's in your water. With proper upkeep, PUR pitchers are a great solution for some water quality concerns, but it is important to understand what they can and cannot do.

It's safe to put it in your regular. Garbage.

PUR Faucet Filtration Systems are certified to reduce Mercury. Mercury can make its way into the water system through the erosion of natural deposits along with factory and landfill runoff. Long term exposure to Mercury above regulated levels could lead to kidney damage.

Remember: Blue means good, flashing red means replace soon, and red means replace the filter immediately.

A yellow light indicates the filter should be replaced soon, while a red light blinking indicates the filter should be replaced. Filter performance is not certified after 40 gallons. Changing your filter regularly helps ensure you have cleaner, great-tasting water.

Brita surpasses Pur in overall water taste, filter lifespan, filter replacement cost, and pitcher options. However, the whole point of a water filter pitcher is to actually remove contaminants, and the Pur filters reduce and remove more chemicals from the water than the Brita pitchers do.

The best water filters: Reviews & Recommendations

• Best overall: Brita Large Water Filter Pitcher.
• Best pitcher: Brita Large Stream Filter as You Pour.
• Best faucet: PUR PLUS Faucet Mount Water Filtration System.
• Best water bottle: LifeStraw Go Series.
• Best backpacking: Sawyer Products SP129 Squeeze Water Filtration System.

Finally, some water filters have an expiry date added as a sticker label. If you've regularly used your water filter and it's now past the expiry date, it's time to order a replacement. Similarly, some water filters also have a visual indicator that will tell you when the cartridge has been fully used up.

How does the Filter Change Light work? The green light will flash 6 times as you begin to use the filter. Replacement of the filter cartridge resets the light. Filter change light changes color depending on how long filter has been in use or how much water has been filtered.

While not all generic filters reduce chlorine, PUR water filters all reduce chlorine and improve taste and odor. In fact, our PUR PLUS Mineral Core™ Faucet Filters filter water over minerals in the filter itself, specifically to ensure the water tastes great.

Different filters remove different chemicals, but most will remove or reduce contaminants such as chlorine, iron, sulfur and bacteria. Filtered water often tastes and smells better, but isn't necessarily safer or better for you – in fact, some filters may remove the fluoride, which is beneficial for dental health.