Best Water Filters

Water filters eliminate contaminants to supply clean, fresh drinking water without the hassle and cost of hauling bottles of water from the store. There are many options for water filters, such as counter-top filters, pitchers, faucet or under-sink fitted filters, reverse osmosis (RO) systems and even whole house water filters. We reviewed expert tests and customer reviews to name the best water filters in all categories.

Clear2o CWS100AW Water Filtration Pitcher

The Clear2o CWS100AW Water Filtration Pitcher provides great tasting water while it filters out organic compounds and lead. Its hose-fill process filters water quicker than most other pitchers, and a warning light alerts you when you’ve reached the fifty-gallon filter life by metering the water you utilize. It has a total capacity of 1.75 L or nine eight-ounce glasses, yet its thin profile means it does not take up plenty of refrigerator space.

The Clear2O Pitcher’s hose-fill system needs some installation on your kitchen faucet. The pitcher consists of 2 adapters, one for outside and inside thread-style faucets. As soon as the adapter is set up, the pitcher is filled using a flexible hose mounted on the unit, which isn’t a hands-free process.

The Clear2O Water Filtration Pitcher is a very affordable option. Its durable carbon filters cost about 12 USD each and only need to be replaced each 50 gallons. How long that takes depends on how much water you consume. It is manufactured from BPA-free plastic and is protected by a ninety-day warranty. This water filter will cost you almost $27.


  • Improves water quality
  • Durable filter
  • Fills pretty quickly
  • Doesn’t filter fluoride
  • Pitcher fills rapidly


  • Not compatible with some faucets
  • Expensive filters
  • Cannot fill pitcher without attached hose

The slim Clear2O’s profile holds more water than competing models while fitting nicely in your fridge, users say. There are complaints about installation and compatibility with some faucets.

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Culligan FM-15A Advanced Faucet Filter Kit

This water filter is compact and mounts straight onto your existing faucets. The filter switches effortlessly from unfiltered to filtered water by merely pulling the diverter valve stem to offer a simple solution for cleaner and healthier drinking water. It reduces odor and chlorine taste, lead, lindane, light sediment, atrazine, and particulate class 1.

The Culligan FM-15A Advanced Faucet Filter Kit is very easy to install. The provided faucet adaptors suit most sinks, but not all as some users were incapable of finding the proper adaptor at their regional hardware store. The filter consists of a diverter valve to begin filtering the water, and it is very easy to use. The pressure of the water holds the switch in filtered place, and when you turned off the water, it returns to the unfiltered position.

Even those who were at first skeptical of the Culligan FM-15A’s plastic design say they’re pleased with how long lasting the unit appears to be. Many claim they have had theirs for a couple of years and it is still going strong. The Culligan FM-15A comes with 200 gallon water filter life and has a two year warranty. This water filter is NSF tested and certified. This unit will cost you almost $15.


  • Very cheap
  • Easy installation
  • Low annual filter cost
  • NSF tested and certified
  • Durable
  • Offers a 2 year warranty


  • Does not fit some faucets
  • Low flow rate
  • No filter change indicator

The Culligan Faucet Filter FM-15A is among the best faucet-mount water filter systems. Its durability, low price, long filter life and low annual filter cost all combine to make it really worth every penny. You’ll definitely love the taste of the water and auto switch.

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Watts WH-LD Premier Whole House Filter System

This unit treats municipal water supply effectively by eliminating suspended solids, which may ruin your plumbing or prematurely damage your carbon filter. This filter system is compatible to be set up at ¾ inch supply line and its filter size is fifty microns. There are also 3 additional alternative filters in the shipped package, along with a wrench to ease the set up. It’s also developed with ease of maintenance in mind, simply because it has an integrated bypass valve that enables for the supply line to be switched on during maintenance. It has a large operating pressure range that is from 20 psi to 100 psi, and offers a 1 year replacement warranty.

Watts WH-LD Premier Whole House Filter System is really an excellent choice for those who need a point-of-entry, whole-house water filter. Its main purpose is to get rid of sediment, and several have encountered clearer, better tasting water. It’s great for having clean water for your home, you can also fill up your water bottles and take clean water to work and school. The Watts WH-LD Premier Whole House Filter System is NSF tested and certified. This unit will cost you almost $42.


  • Easy to use
  • Easy to install
  • Easy to maintenance
  • Offer delicious water
  • NSF tested and certified
  • Offers 1 year replacement warranty


  • Clear housing can shatter in cold weather
  • Valve on top to bypass, occasionally gets hard to turn

Those that have bought this unit are very pleased with its water filtration performance. Water is free from organic odors or chemicals, and their water system fixtures are issue free since hard water is no longer channeled through them. They stated that its maintenance and installation works are pretty easy too.

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Conclusion of the Best Water Filters

If you are searching for a durable, low price, long filter life and low annual filter cost water filter, then the Culligan Faucet Filter FM-15A is the ideal one for you. This water filter is our top pick and ranked number one best water filter. Based on the performance, quality and user reviews, the Watts WH-LD Premier Whole House Filter System ranked 2nd best water filter here.

The price is slightly high, however, if quality matters to you, go for this one. This unit will really offer you some serious value for your money.

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