Compact Tap (Faucet) Filters for Drinking Water Purification: Evaluation Criteria, Features, Comparison, and Frequently Asked Questions.

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In this article, the various types of entry-level water filters for quick installation onto the kitchen faucet or for use while traveling are compared and their benefits are discussed.

On review:
the most basic and affordable Aquaphor B300;
small while stylish Aquaphor Topaz;
futuristic and highly productive Aquaphor Modern.

We looked at various filtering pitchers in one of the prior articles. We’ve come to the conclusion that they work quite well to purify water in domestic and small office settings. Let’s examine a different class of straightforward and reasonably priced water purification tools: faucet filters.

Faucet filters: definition

Faucet filters, also known as tap filters, are devices that attach to the end of a standard kitchen or bathroom faucet to filter the water that flows through it. They are designed to remove impurities, such as chlorine, sediment, heavy metals, and other contaminants, from the water, providing clean and safe drinking water. Faucet filters typically use a combination of filter media, such as food-grade polypropylene, activated carbon, ceramic, and ion-exchange resins, to purify the water. They are a convenient and cost-effective way to improve the taste and quality of tap water, without the need for a separate filtering pitcher or under-the-counter system.

Ideal coffee without white coating of calcium salts
Ideal coffee without a white coating of calcium salts

Faucet filters: evaluation criteria

Filtration capacity: This refers to the amount of water that a filter can purify before needing to be replaced. Higher filtration capacity means the filter will last longer, but it may also affect the quality of the purified water.

Filtration technology: Different filters use different types of filtration technology, such as activated carbon, polypropylene, and ceramic. Each technology has its own strengths and weaknesses, so it’s important to choose a filter that uses the technology that best meets your needs.

Filter efficiency: This refers to how effectively a filter removes impurities from the water. A high-efficiency filter will remove a wide range of contaminants, including bacteria, viruses, and heavy metals.

Flow rate: This refers to the speed at which water flows through the filter. A high flow rate means the filter will produce clean water quickly, but it may also affect the quality of the purified water.

Cost: The cost of a filter includes both the initial purchase price and the cost of replacement filters. It’s important to consider the long-term cost of a filter before making a purchase.

Durability: A filter should be able to withstand regular use and last for a reasonable amount of time. Filters with durable construction and high-quality materials will provide better value for money.

Ease of installation: A filter that is easy to install and fits a wide range of faucet types will be more convenient for the user.

Considering these evaluation criteria can help you choose the best tap filter for your needs.

Faucet filters: Features of connection and use.

Faucet Type 16 mm
Faucet Type 16 mm

The faucet filter is the most compact device for filtering water and looks extremely simple. However, there are nuances.

The filter jug does not require a connection to the water supply at all, and under-sink water purifiers require a permanent connection to the water supply. The faucet filter sits in the middle, either directly connected to the faucet or in place of the aerator. In most cases, a simple connection option can be found. However, connection issues can occur in the case of non-standard or antique faucets.

In addition, the faucet filter only works when the faucet is on. It is important to ensure that only cold (drinking) water is turned on and it is important to respect the flow rate.

It’s important to maintain the recommended flow rate for a tap filter because it directly affects the filter’s ability to remove impurities from the water. When water flows through a filter too quickly, it may not have enough contact time with the filter media to effectively remove all contaminants. This can result in lower water quality and reduce the lifespan of the filter, as it may become clogged with contaminants more quickly.
On the other hand, when water flows through a filter too slowly, it can be frustrating for the user.

Each tap filter has a specific flow rate that is recommended by the manufacturer, and it’s important to follow these guidelines to ensure the best possible water quality. If you notice a change in water pressure or water quality, it may be time to replace the filter or check for any clogs or issues with the faucet. By maintaining the recommended flow rate, you can be sure that your tap filter is working as efficiently and effectively as possible.

Three most popular Aquaphor faucet filters compared.

Aquaphor B300.

Aquaphor B300 Tap Water Filter
Aquaphor B300 Tap Water Filter in the package.

Is produced since 1992. This is the simplest and most compact faucet filter. It can be connected to a smooth faucet or a 16 mm water pipe using the supplied adapter with a rubber seal. This plastic fitting is threaded for quick removal of the filter element. When the element is removed, the fitting replaces the aerator. Yes, to use the faucet for washing hands and dishes, you need to remove the filter first. It’s not very convenient. However, the B300 is the cheapest (about a euro) and a small filter to take on a trip, use, and throw away.

Aquaphor B300 Tap Water Filter
Aquaphor B 300: what is included.

Technical specifications:
Resource: 1000 liters;
Filtration speed: 0,3 l /min;
Dimensions: 6,5 x 12,0 cm;
A tap with a diameter of 16 mm is suitable for connecting the B-300.

Aquaphor Topaz.

Aquaphor Topaz Water Filter on the tap
Aquaphor Topaz Water Filter on the tap

Ultra-compact, well made and affordable faucet filter for intense water purification that costs only 16 euro.
Easy and safe to replace the cartridge (without disconnecting from the tap).
Provides odorless and tasty water.
Reduces common tap water contaminants including chlorine, organic compounds, heavy metals, rust, and phenols.

This faucet filter connects to a faucet instead of an aerator and has its own switch tap in the connection fitting. The fitting is made of metal and comes with an adapter.
Connecting dimensions: to the faucets with external (M22x1) or internal (M24x1) thread (i.e. standard 22 mm external or 24 mm internal thread).

Aquaphor Topaz tap water filter unboxing YouTube video
Aquaphor Topaz tap water filter unboxing YouTube video

In order to get filtered water, it is enough to open the main cold water tap and turn the small switch tap on the fitting.

This filter meets the needs of those looking for a most space-saving design of an appliance.

Good source of drinking water on vacations, road trips or camping.
This product will help to immediately improve the quality of drinking water at any new place.
Tenants looking for no-installation water filtration solutions. Here they are!

Aquaphor Topaz out-of-box
Aquaphor Topaz out-of-box

Technical specifications:

Resource: 750 liters;
Filtration speed: 0,3 l /min;
Dimensions: 95 x 132 mm.

Counter-top water purifier Aquaphor Modern with diverter for threaded faucet (Ver.2)

Aquaphor Modern Countertop Tap Water Filter
Aquaphor Modern Countertop Tap Water Filter

This filter connects to a faucet in place of an aerator and has its own switch in the connection fitting. The fitting is made of metal and comes with an adapter and flexible tube.
Connecting dimensions: to the faucets with external (M22x1) or internal (M24x1) thread (i.e. standard 22 mm external or 24 mm internal thread).

In order to get filtered water, it is enough to open the main cold water tap and turn the small switch tap on the fitting.

Aquaphor Modern is an elegant counter-top water purifier that will shine in any kitchen. It provides clear and delicious-tasting drinking water. An easily adjustable stainless steel pure water spout makes this filter especially convenient. A solid resource of filter elements, a high degree of water purification, and high performance allow us to recommend this filter for use in small families on an ongoing basis.

Aquaphor Modern Countertop Tap Water Filter
Aquaphor Modern: two parallel filtering cartridges installed; covers are removed.

Technical specifications:
Filtration speed: 1,2 l /min;
Dimensions: 27 x 12 cm;
2 different models of filter cartridges may be used: B200 (standard, for soft water) / B200H (for hard water)
The capacity of filter cartridges: 4,000 L (B200), 1,000 L (B200H)

Aquaphor Modern tap water filter unboxing YouTube video
Aquaphor Modern tap water filter unboxing YouTube video

Deleted contaminations:
Chlorine 100%
Phenol 99%
Pesticides 95%
Heavy metal 98%
Oil products 98%
Bacteria 99%

Aquaphor Modern Countertop Tap Water Filter
Filter life indicator of Aquaphor Modern Countertop Tap Water Filter

Conclusion

If you’re renting an apartment and can’t make permanent changes to the plumbing, a countertop or faucet-mounted water filter might be the best option. These are easy to install and can be removed when you move.
In general, Aquaphor Topaz would be a great choice for those who want the best water quality and don’t mind a larger design.
Aquaphor Modern would be a great choice for those who want clean and safe water and care about the design of their water filter.
Aquaphor B300 would be a good temporary solution for small families or travelers who need a compact design.

In terms of filtration quality, simple faucet filters (Aquaphor Topaz) are comparable to filter jugs (pitchers). The Aquaphor Modern tabletop (countertop) filter has a better filtration quality than filtering jugs, but worse than serious in-line filtration systems (such as Aquaphor Crystal) and reverse osmosis systems (such as Aquaphor Morion or RO-50).

Where to buy a tap water filter?

Unlike some other manufacturers, Aquaphor does not transfer its production to “third world” countries. The main factories of Aquaphor are in Europe and the USA. The European market mainly receives products from the new production plant in Estonia. These products are manufactured to the highest quality standards and comply with all EU regulations.
You can purchase filters, filter cartridges, and related products in the online store Promarket-EU.

Frequently Asked Questions (FAQ)

Why the Aquaphor patented technology Aqualen is preferable in tap water filters?

Aquaphor’s patented technology Aqualen is a unique filtration media that is specially designed to remove a wide range of contaminants from tap water. Aqualen is made of a highly porous, fibrous material that has a stable structure and large surface area, which allows it to capture and hold onto impurities more effectively than other filter media. Here are some reasons why Aqualen is preferable in tap water filters:
High filtration efficiency: Aqualen has a high adsorption capacity, which means it can remove a wide range of contaminants from water, including chlorine, sediment, heavy metals, and organic compounds. It can also remove bacteria and viruses, making it a highly effective filtration media.
Long filter life: Aqualen has a long lifespan, which means it can filter more water before needing to be replaced. This makes it a cost-effective choice for homeowners who want clean and safe drinking water without constantly replacing their filter.
Environmentally friendly: Aqualen is a sustainable filtration media that is made from food-grade materials and is biodegradable. This makes it an eco-friendly choice for homeowners who want to reduce their environmental impact.
High flow rate: Aqualen has a high flow rate, which means water can flow through the filter quickly and efficiently, without sacrificing filtration quality.
Safe and healthy: Aqualen is a safe and healthy filtration media that is free from harmful chemicals and does not release any harmful byproducts into the water.

Overall, Aquaphor’s Aqualen technology offers a number of benefits that make it a preferable choice for tap water filters. Its high filtration efficiency, long filter life, eco-friendliness, high flow rate, and safety make it a reliable and effective way to improve the quality of your tap water.

Normal sorption mix of granulated carbon (left) vs AQUAPHOR Aqualen filter (right):

Standard sorbent vs Aquaphor AqualenNormal sorption mix of granulated carbon (left) vs AQUAPHOR Aqualen filter (right).

Which tap water filter is best for small families?

Aquaphor Topaz is a good choice for small families as it has a compact design and can provide clean and safe drinking water for a family of four.

Which tap water filter is best for those who want the best water quality?

Aquaphor Modern is an excellent choice for those who want the best water quality as it removes over 98% of total dissolved solids (TDS) and provides highly purified drinking water.

Which filter is best for apartment renters?

For apartment renters who can’t make permanent changes to the plumbing, a counter-top (Aquaphor Modern) or faucet-mounted ( Aquaphor Topaz) water filter is a good option as it’s easy to install and can be removed when you move.

Which water filter (purifier) is best for families with children?

For families with children, a counter-top (Aquaphor Modern) or under-sink water filtration system (Aquaphor Crystal or Aquaphor Morion) is a good choice as it provides high-quality water for drinking and cooking.

Which filter is best for those who care about the design of their water filter?

Aquaphor Modern is a great choice for those who care about the design of their water filter as it has a sleek and modern design and provides clean drinking water.

Other helpful information:
If you own a related business (for example, a store selling household goods and appliances, a pharmacy, or a plumbing company), you can offer your customers a new high-quality, profitable product.
Please email ProMarket for wholesale discounts and sales representative offers.

Special offer for a plumber
Special offer for a hardware store
Special offer for a pharmacy

Photos and technical details courtesy of Aquaphor, ProMarket.

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This post is also available in: English Italiano (Italian) Русский (Russian)