Water filter

Water filters are essential devices designed to remove impurities, contaminants, and unwanted substances from tap water to improve its taste, odor, and safety. These systems utilize various mechanical, chemical, and physical processes to trap particles such as sediment, chlorine, heavy metals, and bacteria. Households and offices choose these solutions to ensure a consistent supply of high-quality water for drinking, cooking, and appliance protection. By reducing the reliance on bottled water, these filters offer a practical approach to water management. Modern filtration technology allows for diverse configurations, ranging from simple pitcher filters to complex under-sink reverse osmosis systems. Selecting the right filter depends on the specific water quality issues present in a particular location and the desired flow rate.

Use cases of water filters

Water filters are utilized in various settings to address specific water quality needs:

• Residential kitchens for drinking and cooking water.
• Office environments to provide clean water for employees and clients.
• Whole-house systems to protect plumbing and appliances from scale buildup.
• Portable solutions for travel, camping, or emergency preparedness.

Types of water filters

There are several common types of water filtration systems available:

• Pitcher filters: Compact and portable, ideal for small households.
• Faucet-mounted filters: Easy to install directly onto existing taps.
• Under-sink systems: High-capacity units that provide filtered water through a dedicated faucet.
• Reverse osmosis systems: Advanced multi-stage filtration for high-purity water.
• Whole-house filters: Installed at the main water line to treat all water entering the building.

Key features to consider

When evaluating water filters, consider the following technical aspects:

• Filtration capacity: The volume of water the filter can process before requiring a replacement.
• Contaminant removal rating: The specific substances the filter is certified to remove.
• Flow rate: How quickly the system delivers filtered water.
• Maintenance requirements: The frequency and cost of replacing filter cartridges.
• Installation complexity: Whether the system requires professional plumbing or can be installed by the user.

How to choose a water filter

To select the appropriate water filter, start by identifying the primary water quality concerns through a water test. Determine the required volume of filtered water based on the number of users and daily consumption habits. Evaluate the available space in your kitchen or utility area to ensure the chosen system fits correctly. Compare the long-term maintenance costs, including the price of replacement cartridges, against the initial purchase price. Finally, verify that the system meets necessary safety standards for your specific water supply conditions.

Which water filters are the most popular and affordable in 2026?

The full list of popular models at affordable prices is available on this page. In 2026, the following models show high demand and an excellent price-to-quality ratio:

• USTM PP5M PLUS 10-inch Polypropylene Yarn Water Filter Cartridge 5 Micron for 3.49€
• USTM PP20M PLUS 10-inch Polypropylene Yarn Water Filter Cartridge 20 Micron for 3.49€
• Filter cartridge Aquaphor B15 (203053) — universal jug cartridge, lifespan 170 L, Aqualen, activated carbon, silver ions for 4.99€
• Water filter cartridge Aquaphor MAXFOR+ Mg B078N — replacement cartridge, magnesium-enriching, 200 L life, fits Brita Maxtra oval fit for 5.49€
• Water filter cartridge Aquaphor CITYF replacement, 2 pcs, 150 L capacity per cartridge for 5.49€

Why is it worth buying water filters at AiO.lv?

At the AiO.lv online store, you can place an order at a great price with delivery across Latvia — to Riga, Daugavpils, Liepaja, Jurmala, Ventspils, and other cities, as well as throughout Europe. We offer products from leading manufacturers: Electrolux, Philips, Siemens, Samsung, BRAUN, Catlink, DeLonghi, Elica, LG, OEM, Saeco, Tefal, Bosch, Karcher, BLAUPUNKT, Gorenje, HANSA, KRUPS, BRITA, LAICA. When you shop with us, you get:

• official warranty and guaranteed quality;
• convenient payment options (including installment and credit);
• fast and reliable delivery across Latvia and to any EU country.

FAQ

Where can you find a water filters with cheap prices?

You can buy cheaper at the AiO.lv online store. We offer competitive prices and regular discounts, so you always have the chance to find a great deal.

What is the delivery time for water filters?

If you place your order today, delivery will take between 1 and 5 business days depending on the chosen method.

How long is the warranty period for water filters?

Our store provides an official manufacturer’s warranty ranging from 12 to 36 months, depending on the model and brand. If needed, you can always contact our customer service department or the manufacturer’s authorized service center for support.

Are water filters purchasable with leasing?

Yes, if the selected product costs more than €50. You can learn more about installment purchase options and the terms of application on the Payment page.

Can water filters be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and throughout Europe. All product prices are shown with VAT included. In certain cases, a 0% VAT rate may apply — for example, when purchasing from other EU countries with a valid VAT number. We issue an invoice immediately after the order is placed, support BIS electronic invoices, and automatically generate all required accounting documents. To complete a purchase for a company, simply select the company profile during checkout.