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FILTRO Family
FILTRO Family

FILTRO Family

Campanie Black Friday 2026
Alkalizing remineralization system, FILTRO ALK3, quick connect 1/4" (6 mm), replaceable cartridge
Alkalizing remineralization system, FILTRO ALK3, quick connect 1/4" (6 mm), replaceable cartridge
Alkalizing remineralization system, FILTRO ALK3, quick connect 1/4" (6 mm), replaceable cartridge
Price Black Friday
This product has a reduced price according to the Black Friday campaign.

FILTRO ALK3

FILTRO

Alkalizing remineralization system, FILTRO ALK3, quick connect 1/4" (6 mm), replaceable cartridge

 3.67 (3 reviews) Add a review

The FILTRO ALK3 system is a mineralization post-filter that adds 100% natural minerals, from rocks, to purified water, to improve taste and increase water pH. This system effectively mineralizes purified water and gives it a very pleasant taste. The cartridge also features a block carbon layer, necessary for post-filtering purified water.
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This product has a reduced price according to the Black Friday campaign.
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Replacements

Replacement filter with housing for FILTRO ALK3, alkalizing and mineralization system
In stock
Replacement filter with housing for FILTRO ALK3, alkalizing and mineralization system
210 lei
-34%
139 lei
Replacement cartridge for FILTRO ALK3, alkalinization and mineralization system
In stock
Replacement in 12 months
Replacement cartridge for FILTRO ALK3, alkalinization and mineralization system
141,34 lei
-14 lei
127,21 lei
SKU: ALK3 | ID: 1550 | Brand: FILTRO | Categories: Filtration systems, Economy systems

Description

The FILTRO ALK3 alkalizing system installs independently or after a reverse osmosis station. It contains a filter cartridge, which is replaced approximately every 12 months and significantly improves water taste, increases pH, and regulates odor.

3-in-1 Filtration: the cartridge combines alkaline particles, mineral substances, and block carbon into a single filter to improve and regulate the taste and odor of water purified by reverse osmosis membranes. This system also increases the pH of the filtered water and transforms it into alkaline water. Alkalinity varies depending on how long the water remains in the cartridge.

pH Level Increase: the human body regulates pH levels to approximately 7.3 to maintain optimal health. Reverse osmosis systems provide water with a neutral pH, around 7, however, this alkalizing cartridge increases water pH by 1-2 points above that of the inlet water. This is beneficial for the body.

Restoration of Essential Minerals: the mineral layer of the filter adds mineral salts back into the purified water, ensuring the daily intake of minerals. Please note that minerals may contribute to a HIGHER TDS value, but mineralized water is much healthier than pure water with low TDS. Additionally, the carbon block regulates taste, eliminates odors and other remaining pollutants from water purified by reverse osmosis, as a final stage.

Maximum Compatibility: the system features a 1/4" quick connect. It can be used as is, but we recommend installing it after a reverse osmosis purification system. It is compatible with all reverse osmosis systems on the market.

Easy Installation and Quick Replacement: In just a few minutes you can install it, without the help of a plumber or extra tools. Thanks to the auto shut-off valve, you don't even need to turn off the water supply when replacing the cartridge. The TWIST system makes cartridge replacement a breeze. Each cartridge can provide up to 3000 liters of mineralized and alkaline water, which is equivalent to approximately 1 year of use. Twice as much as standard mineralization cartridges.

FILTRO.ro: We make constant efforts to keep the information on this page accurate. Rarely they may contain inaccuracies: the photo is informative and may contain accessories not included in the standard packages, some specifications may be changed by the manufacturer without notice or may contain operating errors. All promotions present on the site are valid within the stock limit. In accordance with the provisions of GEO 140/2021, the products benefit from a 24-month legal guarantee of conformity, with the exception of consumables and other products with a special regime.

Specifications

Connections & Installation

Installation location Sink mask
Electrical outlet Without electricity
Battery hole diameter Without battery
Hole in countertop/sink Without hole
Installation duration <10 min
Water supply connection 1/2 inch
Installation difficulty Small (<30 min)

General specifications

Storage tank Without basin (direct flow)
Filter method Microfiltration, Mineralization
Product name FILTRO ALK3
Color White
Filtration grade 5 microns
Integrated display No
Consumable replacement indicator No
Remineralization Yes, via the ALK3 cartridge
Filtration stages 3 stages
Product type Compact system
Material BPA Free Plastic
Brand FILTRO
Specifications: attributes Sink

Terms of Use

Usage Cold water

Performance & Capacity

Filtration Capacity 3000 liters
Package weight 1.95 kg
Package dimensions 12.5 x 12.5 x 34 cm
Warranty 24 months

Reviews (3)

3.67 (3 reviews)


  • 5 stars
    67%
    2 reviews
  • 4 stars
    0%
    0 reviews
  • 3 stars
    0%
    0 reviews
  • 2 stars
    0%
    0 reviews
  • 1 star  
    33%
    1 reviews

Customer questions & answers

SC
S****n C*********u
Verified purchase
I like it

I've been using the system for 1.5 years, now I'm placing an order for replacements. It was a bit harder to unscrew this element but I managed. What I would like is to have a spare gasket. This one was already a bit nicked, I don't know if it would have survived another replacement.

|
AB
A****i B****a
Cannot replace the filter

After 1 year of use, I decided to replace it with a new filter, but it can't be unscrewed. I broke both plastic keys that came with the filter, 0 progress, I'll probably have to buy a whole new filtration unit given that I already have a new replacement filter for it…

| |
SC
S****n C*********u
Verified purchase

Merge greu, dar merge. Trebuie bătuta un pic marginea de sus cu un ciocan de cauciuc sau cu o lingura de lemn că sa se desprindă și apoi pusa presiune 10-15 secunde și cedează.

https://filtro.ro/apple-touch-icon.png
F****o W******s T**h
Verified purchase

Da, stim ca este mai dificila inlocuirea. Tocmai din acest o sa inlocuim cheile din pachet cu une reglabila care sa prinda foarte bine corpul mare al filtrului. In plus, o sa adaugam la vanzare si carcasa cartusului impreuna cu cartusul pentru a-l inlocui imediat, fara unelte.

CR
C***n R**u
Verified purchase

Confirm ce a spus. E dificil de inlocuit , da cu grija merge. Si ar trebuii sa trimita tuturor care se plang de aceasta problema si au luat acest sistem alkalinizare pe baza comenzii , gratuit cheie reglabila. Daca problema e stiuta trebuia facut ceva sau alt sistem la cartuse. Ca nu toata lumea e invetiv sa dea cu mânaa ssu cu ceva sa se desfaca. Sistemul in sine e bun isi face treaba.e din septembrie pus si inca am tds 20 18. Ceea ce ee foarte ok. Doar minus pt filetul de deasupra care trebuie ss te chinui , si cheia e o cheie slaba

SK
S****n K***h
Verified purchase

Hello. I am a customer and I have this product. First, you are rating a product as 1-star (which indicates it is a completely awful, non-performing shit product) based on the fact you were unable to unscrew a cylinder. Second, have you tried contacting Filtro? Their customer service is excellent. Reserve star rating for the function of the product, not your emotional experience. I see this on eMag all the time... 5-stars I have not used the product yet, but delivery was fast. 1-star, I wanted it Tuesday, but it arrived Wednesday. Neither comment have anything to do with the product, nor help a potential customer decided if the product functions for them.

CR
C***n R**u
Verified purchase
Recommend

The water is indeed alkalized and remineralized. My TDS is around 20, but it doesn't drop below 7-8 even if I let the water run longer. And it's normal for the TDS to be higher at first and to decrease over time.

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