What Waterfilter does

Waterfilter s.r.o. (operating as Waterfilter.cz) is a Prague-based, privately held Czech limited liability company founded in 2004 that operates an e-commerce storefront specializing in water treatment and filtration products for residential, commercial, and industrial customers in the Czech Republic. The company serves both primary-segment residential homeowners seeking solutions for hard water, scale buildup, and drinking water purification, and a secondary industrial/commercial segment requiring process water filtration and chemical dosing automation. Its product portfolio spans replacement filter cartridges (mechanical, carbon, iron removal, refillable), basic filters and housings, kitchen under-sink systems including Pentair Everpure and reverse osmosis, whole-house water treatment plants (softeners, iron/manganese/nitrate removal, pH adjustment, demineralization), industrial reverse osmosis with 8-inch membranes, UV disinfection systems, and EMEC electronic dosing pumps.

The company's technology stack centers on multi-stage water treatment — mechanical filtration, carbon adsorption, ion exchange softening, reverse osmosis, and UV disinfection — sourced via authorized distribution partnerships with major manufacturers including Pentair (Autotrol/Fleck valves, Everpure, structural pressure vessels), EMEC s.r.l. (Italian dosing pumps), Cintropur (Belgian UV and filters), and VIQUA. In parallel, Waterfilter markets an own-label brand of products manufactured in Europe using European components with final assembly and quality control performed at its Prague facility, sold with a 3-year warranty. Its 1,500 m² warehouse in Jesenice u Prahy supports same-day shipping for orders placed before 10:00, with a 5-year warranty offered on systems equipped with Pentair Autotrol valves and a 14-day return policy.

The business model is direct-to-customer e-commerce on the Shoptet platform, priced in Czech Koruna (with EUR also accepted), with free shipping above 799 CZK and parcel delivery handled by PPL, GEIS, and Zásilkovna. Revenue is generated primarily through one-time product sales of equipment and recurring consumable filter replacements, distributed across a long tail of residential and small commercial buyers with no disclosed enterprise contracts or named accounts. The company is independently owned with no external investors, subsidiaries, or M&A history disclosed.

Name

Waterfilter

Legal name

Waterfilter s.r.o.

Website

https://waterfilter.cz

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

1–10 employees

Short description

Waterfilter s.r.o. (Waterfilter.cz) is a Prague-based e-commerce retailer and light assembler of water filtration and treatment systems, serving Czech residential homeowners and small commercial/industrial customers with Pentair-, EMEC-, and Cintropur-branded equipment plus its own-label products.

Ownership category

akta.pro rank

Product category

Water Treatment Equipment

NAICS

Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers (42372), Measuring, Dispensing, and Other Pumping Equipment Manufacturing (333914)

SIC

Wholesale-Hardware & Plumbing & Heating Equipment & Supplies (5070), Pumps & Pumping Equipment (3561)

akta.pro primary industry

Replacement Filter Cartridges & Consumables (CRAJAJAH)

akta.pro secondary industries

Under-Sink Water Filtration Systems (CRAJAJAD), Countertop Water Filtration Systems (CRAJAJAC)

Keywords

• Water filtration systems
• Water treatment equipment
• Reverse osmosis systems
• Water softeners
• UV water disinfection

Headquarters

HQ city

Prague

HQ country

Czechia

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Marketing or Sales, Infrastructure, Technology or R&D

Revenue model

1. Product Sales (E-commerce): Direct online sales of water filtration products, replacement filters, water treatment equipment, and components through their Czech e-commerce platform. Products include filters, softeners, reverse osmosis systems, UV lamps, dosing pumps and related accessories.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels2 records

Core offering

Waterfilter s.r.o. is a Prague-based e-commerce retailer and small-scale manufacturer of water filtration and treatment equipment for residential and industrial customers in the Czech Republic. Its portfolio covers filter cartridges, mechanical and carbon filters, under-sink and reverse osmosis drinking-water systems, water softeners and complete treatment plants, UV disinfection units, and EMEC chemical dosing pumps and stations. The company both distributes premium-branded equipment (Pentair, EMEC, Cintropur, VIQUA) and sells its own Waterfilter-branded products assembled in Europe.

Product overview

Waterfilter.cz is an e-commerce company (Waterfilter s.r.o.) based in Prague that operates as both a distributor of water treatment equipment and manufacturer of their own branded products. Their portfolio centers on water filtration, treatment, and purification systems for residential, commercial, and industrial applications. Core products include: water filter cartridges (mechanical, carbon, specialized); basic water filters and housings; kitchen under-sink filters including Pentair Everpure and reverse osmosis systems; water treatment plants (softeners, iron/manganese/nitrate removal, pH adjustment, demineralization); domestic and industrial reverse osmosis with membranes; UV water disinfection; and electronic dosing pumps (EMEC) for chemical proportional dosing in water treatment. They also supply comprehensive components including Pentair Autotrol/Fleck control valves, pressure vessels, water meters, and spare parts. Their proprietary "Waterfilter" brand products are manufactured in Europe using European components with final assembly in Prague, backed by a 3-year warranty. The company distributes products from major brands including Pentair, Cintropur, VIQUA, EMEC, CSM/Toray, Vontron, and others.

Differentiator

Problem solved

Functional benefit

Products and services

• Water Filter Cartridges Replacement filter cartridges in 10"x2.5", 20"x2.5", 10"x4.5", 20"x4.5", and 30"-40"x2.5" sizes, including mechanical filters, carbon filters, Cintropur cartridges, RFFE iron filters, Pentair Everpure cartridges, refillable cartridges, and Profine cartridges for residential and commercial water filtration systems.
• Basic Water Filters Standard, larger, and backwashable mechanical and carbon filters including double filters, iron removal filters for cold water, and Cintropur filter systems with mechanical, carbon, and UV variants for residential and light commercial water treatment.
• Kitchen Water Filters Pentair Everpure under-sink filters for point-of-use drinking water, domestic reverse osmosis systems in standard and water-saving variants, and inline filters for washing machines for residential kitchen use.
• Water Treatment Plants Complete water treatment systems including compact, classic, and double water softeners, hardness/iron/manganese filters, nitrate filters, sand filters, carbon filters, pH adjustment and mineralization filters, and demineralization mixbed filters for residential and commercial water treatment installations.
• Reverse Osmosis Systems Domestic and industrial reverse osmosis systems with 4" diameter household membranes for under-sink and point-of-entry installations, and 8" diameter industrial membranes for higher capacity applications, including flow meters and membrane accessories.
• UV Water Filtration UV lamp water disinfection systems from Cintropur and VIQUA brands, including UV bulbs, quartz tubes, and UV power supply components for residential and commercial water disinfection applications.
• Optim Compact iQ Water Softeners Intelligent and economical compact whole-house water softeners with Pentair Autotrol 255 Easy iQ control valve, available in 15 and 25 m3/h nominal flow rates, covered by a 5-year warranty, for residential and small commercial applications.
• Optim Multi iQ Multifunctional Filters Intelligent multifunctional combined water treatment filters with Pentair Autotrol 255 Easy iQ control valve, nominal flow rates of 1.8-2.9 m3/h, 5-year warranty, for combined hardness/iron/manganese/nitrate removal in residential and light commercial applications.
• EMEC Dosing Pumps EMEC digital multifunctional dosing pumps (VMS MF) with multifunction control units and IP65 protection, and constant dosing pumps (VCO) with adjustable diaphragm stroke frequency and slow-mode operation for precise chemical dosing in water treatment and industrial processes.
• EMEC Dosing Stations EMEC proportional and manual dosing stations for chemical injection systems in water treatment, process water, and industrial applications.
• EMEC Impulse Water Meters EMEC impulse dry-run water meters for cold water up to 30°C, available in CATFI threaded models (1/2" to 2" connections) with BNC connector cable and CWFA flanged models (DN50-DN200), used to send pulse signals to dosing pumps for proportional chemical dosing in water treatment systems.
• Pentair Autotrol Valves and Components Pentair Autotrol control valves including models 368, 255, 263, 268, 269, 278, and Magnum, plus replacement parts, used as core control components in water softeners and filters sold under the Optim Compact iQ and Optim Multi iQ lines.
• Pentair Fleck Valves and Components Pentair Fleck control valves across models 5600, 5800, 9100, 9500, 2750, 2850, 2910, 3150, 3900, plus replacement parts for water softener and filter installations.
• Cintropur Filter Systems Complete Cintropur filter housings and cartridges for mechanical and carbon filtration across models NW18, NW25, NW32, NW280, NW340, NW400, and NW500-800 for residential and light commercial water treatment.
• Pentair Everpure Water Filtration Pentair Everpure commercial and residential water filtration cartridges and under-sink filtration systems for kitchens and food service applications.
• Waterfilter Brand Products Company's own-brand line of water filter components and water treatment products manufactured in Europe from European components with final assembly and testing conducted in Prague, backed by a 3-year warranty.

Quantifiable outcome

• Same-day shipping for orders placed before 10:00
• +1 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Nine partnerships are on record, tiered core and minor.

• PentaircoreChannel Partner/ Reseller/ DistributorWaterfilter.cz is an authorized distributor of Pentair products including Autotrol valves, Fleck valves, Everpure filters, Pentair Structural pressure vessels, and other Pentair water treatment components. The company is also a member of the Pentair Blue Network partner program.
• EMEC s.r.l.coreChannel Partner/ Reseller/ DistributorWaterfilter.cz is a distributor of EMEC s.r.l. products including constant and proportional dosing pumps, impulse water meters, dosing stations, chemical containers, and accessories. EMEC is an Italian manufacturer with over 35 years of experience in dosing technology.
• CintropurcoreChannel Partner/ Reseller/ DistributorDistribution partnership for Belgian manufacturer Cintropur products including UV lamps, filters, filter cartridges, and components.
• VIQUAcoreChannel Partner/ Reseller/ DistributorAuthorized distributor of VIQUA UV water treatment products including UV lamps, quartz tubes, and UV power supplies.
• AQUA Water SystemsminorChannel Partner/ Reseller/ DistributorDistribution partner for AQUA Water Systems water treatment products and components.
• ShoptetcoreTechnology or IntegrationE-commerce platform provider powering the Waterfilter.cz online store. Shoptet a.s. (IČ 28935675) provides the e-commerce infrastructure, payment processing (ShoptetPay), and logistics integrations for order fulfillment.
• PPLminorChannel Partner/ Reseller/ DistributorLogistics partner for parcel delivery to customer addresses and pickup points in the Czech Republic.
• GEISminorChannel Partner/ Reseller/ DistributorLogistics partner for larger item deliveries including pallet shipments of heavy water treatment equipment.
• ZásilkovnaminorChannel Partner/ Reseller/ DistributorParcel delivery service partner offering pickup point delivery options for customer convenience.

Scale indicators2 records

Recent moves6 records

Expansion highlights2 records

Direct peers

• AQUAPHOR: Estonian-origin water filtration brand selling pitcher, under-sink, and RO systems with a strong DTC European footprint. Comparable consumer water-treatment product set; competes for the same Czech and CEE household customers and increasingly uses direct-to-consumer e-commerce, mirroring Waterfilter's go-to-market motion.
• Crystal Quest: Multi-brand water filtration manufacturer and e-tailer offering whole-house, RO, UV, and commercial systems plus replacement cartridges. Comparable product breadth across residential and light-commercial filtration with DTC e-commerce sales.
• SpringWell Water: US-based DTC water filtration e-tailer selling whole-house, under-sink, and RO systems with strong content-marketing and SEO presence. Closely comparable e-commerce-first, content-driven GTM motion targeting technical residential buyers — model Waterfilter has emulated in the Czech market.
• Brita: Global consumer water filtration brand selling pitchers, under-sink, and replacement cartridges through retail and DTC channels. Directly comparable product category (household water filtration) and recurring-consumables model, but operates at massive brand scale and lacks Waterfilter's technical-system and industrial breadth.

Broad incumbents

• Pentair: Global manufacturer of residential and industrial water treatment systems, including Autotrol/Fleck control valves and Everpure cartridges — the very brands Waterfilter distributes. Overlaps as both a supplier and a broader-spectrum competitor in whole-house and commercial treatment.
• Culligan: Global water treatment company offering residential softeners, filtration, and commercial/industrial systems plus service contracts. Comparable product breadth across residential and commercial water treatment; much larger geographic and service footprint than Waterfilter's Czech e-commerce model.
• Waterlogic: Global commercial and office water purification company offering point-of-use dispensers and bottleless coolers. Overlaps with Waterfilter's industrial/commercial segment and UV purification technology, though focused on B2B office delivery rather than e-commerce retail.
• Resideo (formerly Honeywell Home water): Provider of whole-house water treatment including softening, filtration, and reverse osmosis products sold through plumbing/HVAC trade channels. Comparable residential treatment portfolio distributed through professional installers rather than direct e-commerce.
• 3M (Filtration): Industrial and consumer filtration giant offering replacement cartridges, under-sink systems, and commercial filtration under multiple sub-brands. Comparable cartridge and replacement-component product lines; competes indirectly through retail distribution and OEM channels.

Emerging players

• VIQUA: Specialist UV water disinfection brand (now part of Xylem) selling UV lamps, quartz sleeves, and power supplies — a subset of Waterfilter's catalog that Waterfilter distributes as an authorized partner. Comparable product line in UV disinfection for residential and light-commercial applications.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Waterfilter