8 Best Water Filters in 2023 – Reviewed & Buyer Guide

If you are looking for a purifier, maybe the tap water in your home has a flavor you don’t like very much, or maybe it is rich in substances that you don’t want to assimilate.

The alternative is always to buy bottled water or have a purifier. The latter is a cheaper and more environmentally friendly solution, which is why it is so popular today.

Current water purifiers offer even better performance, and there are many different options to choose from at home. The cheapest and most practical are those that connect directly to the tap and the filter jugs.

Here we had selected some of the best models of water filters that are listed below.

Avalon AVALONFILTER 2 Stage Replacement Filters...
  • For Customer Service, Please Visit Avalonh2o.com
  • Provides crisp tasting water
  • Patented Filters - NSF Certified Carbon Activated Filter & Sediment Filter
SaleRANK NO. 2
ZeroWater Official Replacement Filter - 5-Stage...
  • Filter Replacement Pack: Estimated 20 gallon Filter Life (filter life can vary depending on water quality). Change Filter when TDS Meter reads 006.
  • 5-Stage Filtration: Removes virtually all total dissolved solids (TDS) for the purest tasting water; Total Dissolved Solids are organic and inorganic materials, such as metals, minerals, salts, and ions dissolved in water.
  • NSF certified and BPA free: The Only Pour Through Filter Certified by NSF to Reduce Lead, Chromium and PFOA/PFOS; All material is BPA free
Brita Standard Water Filter Replacements for...
  • Get great-tasting water with Brita Standard water filter replacement
  • Switch to Brita and you can save money and replace 1800 single-use plastic bottles a year
  • Reduce Chlorine (taste & odor) Mercury, Copper, Zinc, Cadmium
Membrane Solutions 20 Micron 10"x2.5" String Wound...
  • 💧 SAFETY MATERIAL: Food grade 100% Polypropylene material, Lead and BPA-Free. Non-toxic, odorless, no leaching or secondary pollution. Providing a healthy, safe water-filtering experience.
  • 💧MULTIPLE ADVANTAGES: This String-wound sediment water filter has FOUR times the dirt holding capacity and DOUBLE the flow rate of PP sediment filter, allowing for longer service life. It's the ideal solution if your feed-water is of low quality and contains a lot of sediment.
  • 💧STANDARD UNIVERSAL SIZE: 20-Micron 10 x 2.5-inch universal filter cartridge size, fits most 10-inch filter housings. Used as a prefilter for reverse osmosis (RO) and whole house water filtration systems, and various commercial and industrial applications.
SaleRANK NO. 5
ZeroWater 22 Cup Ready-Read 5-Stage Water Filter...
  • Filtered Water Dispenser: The 22 Cup 5-stage Ready-Read Water Filter Dispenser has an integrated TDS Meter to instantly check the levels of dissolved solids before dispensing or pouring water - always know when it is time to change your filter! Change filter when meter reads 006.
  • 5-Stage Filtration: Removes virtually all total dissolved solids (TDS) for the purest tasting water; Total Dissolved Solids are organic and inorganic materials, such as metals, minerals, salts, and ions dissolved in water.
  • NSF certified and BPA free: The Only Pour Through Filter Certified by NSF to Reduce Lead, Chromium and PFOA/PFOS; All material is BPA free
PUR PLUS Faucet Mount Water Filtration System,...
  • 3 IN 1 POWERFUL WATER FILTRATION TO REDUCE 10X MORE chemical and physical substances THAN BRITA. PUR is the only faucet filter brand certified by WQA and NSF to reduce 70 chemical and physical substances, including lead. § It is also NSF certified to reduce microplastics that are commonly found in tap water. §
  • INCLUDES 1 GENUINE PUR PLUS FAUCET MOUNT WATER FILTER THAT IS CERTIFIED to provide cleaner, better tasting drinking water in your PUR PLUS Faucet Mount Water Filtration System. Compatible does not mean comparable. Other brands are not certified to work with this PUR Faucet Mount Water Filter.
  • QUICK, 1 CLICK, TOOL FREE INSTALLATION with on/off lever for easy, on demand, filtered water.
PUR Water Pitcher Replacement Filter (Pack of 4),...
  • WATER FILTER PITCHER REPLACEMENTS – Enjoy cleaner, filtered water by replacing your water pitcher filter. PPF900Z water filter replacement filters twice as fast* and fits in all PUR pitcher and dispenser filtration systems. Packaging may vary.
  • REDUCES CONTAMINANTS & SUBSTANCES – PUR PPF900Z water filtration pitcher filters are certified to reduce 2x more contaminants than Brita's leading pitcher filter.**Ƚ Certified to reduce Chlorine for great taste.
  • EASY TO INSTALL – Rinse PUR pitcher filter replacement with cold water for 15 seconds. Insert the new filter and twist to lock, then fill pour tray with water. One filter provides up to 40 gallons, or 2 months of cleaner drinking water.
Elkay 51300C_3PK WaterSentry Plus Replacement...
  • Multi-pack replacement filters for models with WaterSentry filtration system (Bottle Fillers & Liv Pro).
  • Filter should be replaced every 3,000 gallons. Please note, some Elkay filters will ship with a clear cap, instead of a red cap. While colors of filter caps may vary based on inventory levels, there is no effect on filter performance.
  • Equipped with quick-disconnect, 1/4-turn installation, as well as automatic inlet shut-off valve that closes when filter is removed.

Everything You Need to Know About Water Filters

When buying a water purifier, it is essential to consider several important issues. Do not forget that there are several models and that not all offer the same level of purification. In this section, we will try to clarify the main doubts you may have about it.

Water purifiers are devices that use different systems to filter salts and other substances present in tap water. In this way, in addition to significantly reducing their salinity, they make the taste of the water more pleasant and eliminate possible odors.

What Are the Advantages and Disadvantages of Water Filter?

Water purifiers offer a significant amount of benefits, which is why their popularity continues to grow. You can find out the main pros and cons of the table we have prepared below.


  • They are cheaper than bottled water
  • They respect the environment more than plastic bottles
  • They are very easy to use
  • They allow filtering the excess of limestone, chlorine and other unwanted elements
  • With them, the water has a more pleasant taste
  • They can eliminate bad odors from the water
  • They help you save space in the kitchen
  • You don’t have to go out and buy bottled water


  • Some may require an installation
  • The filter jugs waste part of the water
  • If the filters are not changed when needed, they worsen the quality of the water

Who Is a Water Filter Recommended For?

In general, they are recommended to anyone, since urban water distribution systems cannot always guarantee that the water that reaches our homes is of the highest possible quality.

They are particularly recommended if you live in a place where water has considerably high limestone levels.

How Many Types of Water Filter Are There?

In principle, two types of water purifiers can be distinguished, which differ mainly based on the type of device from which one filters: the tap and the carafe.

The advantages of the first are that they take up very little space and that purified water is obtained immediately. The second one, on the other hand, can be taken anywhere, even when traveling or away from home.

On the other hand, the carafes waste a certain amount of water. Some manufacturers speak of a ratio of one liter wasted for every four liters filtered.

In any case, you can always reuse it for cleaning or other needs. There are also other alternatives, such as water distillers and electric water purifiers.

Advantages of A Water Purifier with Activated Carbon Filters

Activated carbon filters are made of porous material of vegetable origin, with the ability to absorb substances such as chlorine and a wide variety of organic compounds.

The enormous absorption power of activated carbon is the result of its microscopic structure, thanks to which it has an excellent ratio between its surface and its volume.

For this reason, activated carbon filters are distinguished by having a great absorption power and by making the water taste better and with fewer odors. It is currently quite common to use them as a complement to improve the various existing water purification systems.

How Do You Use a Filter Jug?

The first thing to keep in mind is that it is essential to change the filter with the frequency indicated by the manufacturer. Otherwise, its use can not only not be beneficial but can become harmful.

On the other hand, it is important to eliminate the water from the first uses of each filter. And finally, always put the carafe in the refrigerator.

Purchase Criteria

If you want to buy a water purifier, it is advisable to take into account several purchase criteria. This way, you can more easily find the most suitable product for you.

  • Purification level
  • System
  • Capacity
  • Filters

Purification Level

This is the first and most important aspect you should consider. Not all filter systems offer the same results. Logically, filter jugs are one of the least ambitious options in this regard. Something similar can be said of most models from taps.

Among these, one that guarantees a good level of purification is Water TAPP 1, capable of filtering more than 70 different types of contaminants.

An alternative for professional use is water distillers who, like Miracle that we have included in our selection of products, allow us to obtain distilled water. Of course, its price is generally higher.


Although the two main and most used water purification systems in the home are the tap systems and the filter jug, the truth is that they are not the only ones.

Also, there are several variations of these. A very original option is the Dropson filter can, which consists of a disposable and recyclable can, installed on the tap.

Its main advantages are ease of use and portability. Furthermore, it can be monitored with a mobile phone, although it is not the only one that allows it since the TAPP 1 tap water purifier also has this possibility.


Logically, the capacity of the filter jugs is lower than that of the tap systems. Models like those of AmazonBasics have a filtering capacity of 1.4 liters.

However, there are interesting alternatives for offices or gyms, “purification distributors,” such as BRITA Flow, which has a capacity of up to 8.2 liters.


About filters, you need to take into account the type of materials they can filter and their durability. Remember that filter life is generally expressed in several ways.

The most common is in liters, months, or weeks. Indicatively, a filter with a capacity of 1,500 liters may be sufficient for about three months. Of course, you also need to make sure you can find new filters when you need them. Don’t forget that cheap clothes are often expensive.

A purifier may be very cheap, but then you do not find spare parts for the filters, which means losing all the usefulness and abandoning it in the corner of the kitchen.

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