# BWT Bestdemin Plus M water demineralizer cartridge by BWT, model Bestdemin Plus M

**URL:** https://aio.lv/en/product--bwt-9022001926975--12059138
**Data updated:** 2026-03-12 19:42 (EET)
**Category:** Water Filters
**Manufacturer:** BWT
**Manufacturer code:** 9022001926975
**EAN:** 9022001926975
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 225.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 186.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bwt-9022001926975--12059138

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

BWT Bestdemin Plus M is a water demineralizer cartridge designed for reducing dissolved minerals and hardness in water supplies. Intended for use in applications requiring low-mineral or demineralized water, it is suitable for laboratory rinse stations, domestic appliances, and pre-treatment before reverse osmosis. The cartridge installs in compatible BWT housings to deliver reduced conductivity and improved water quality for specific process needs.

## Long description

BWT Bestdemin Plus M is a water demineralizer cartridge designed to reduce dissolved minerals and water hardness in potable and process water. The cartridge is intended for installation in compatible BWT housings to provide low-mineral or demineralized water output for applications that require reduced conductivity and minimized scale formation. It is suitable as a pre-treatment stage ahead of reverse osmosis units, for laboratory rinse stations and for integration with domestic appliances that benefit from softened, low-mineral water.
Advantages
The cartridge reduces dissolved ions that contribute to conductivity and scaling, delivering water with lower mineral content without the need for chemical dosing. It installs into compatible BWT filter housings and operates without complex maintenance procedures; routine replacement restores demineralization performance. The design supports consistent flow rates appropriate for the specified housing and application, allowing predictable water quality for processes sensitive to mineral content.
Suitable for
Pre-treatment before reverse osmosis systems to extend membrane life and improve performance
Laboratory rinse stations where low-mineral or deionized rinse water is required
Domestic appliances (irons, coffee machines) when reduced mineral content is desired
Small process equipment that requires reduced conductivity and low-scale water
Key specifications
Function: demineralization / ion reduction for lowered conductivity
Compatibility: fits compatible BWT cartridge housings designed for Bestdemin cartridges
Performance: designed to reduce hardness-forming ions and dissolved minerals in feed water
Flow: intended for consumer and light commercial flow rates typical of point-of-use cartridges
Maintenance: cartridge replacement required when capacity is exhausted to restore performance
How to use
Install the cartridge into a compatible BWT housing following the housing manufacturer’s installation instructions and safety guidelines. Flush the system according to recommended procedures until outlet water reaches expected clarity and reduced conductivity. Monitor water quality periodically and replace the cartridge when its demineralization capacity is diminished or when flow rate decreases. Dispose of the spent cartridge in accordance with local waste regulations.
Usage recommendations
Use feed water that meets the general quality requirements for cartridge operation (free of excessive suspended solids and chlorine that can damage resin). For best results, place the cartridge as a pre-treatment stage ahead of reverse osmosis membranes or sensitive laboratory equipment, and adhere to scheduled replacement intervals based on water consumption and feed water mineral content.

## FAQ

### How much does the BWT Bestdemin Plus M water demineralizer cartridge cost, and is it available for purchase?

The price is 225.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can BWT Bestdemin Plus M water demineralizer cartridge be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All BWT products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized BWT service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12059138/67544806_large.webp