# Water filter 4Swiss Nano Positive Filter Nr.3 compatible with Nano Positive Plus

**URL:** https://aio.lv/en/product--4swiss-nano-positive-plus-filter-nr3--4825335
**Data updated:** 2026-02-12 14:15 (EET)
**Category:** Water Filters
**Manufacturer:** 4Swiss
**Manufacturer code:** Nano Positive Plus Filter Nr.3
**EAN:** 5908233649421
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 30.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 25.20 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--4swiss-nano-positive-plus-filter-nr3--4825335

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Replacement water filter 4Swiss Nano Positive Filter Nr.3, compatible with Nano Positive Plus systems. Designed as a direct-fit consumable to reduce contaminants and maintain water quality in compatible filtration units. Suitable for regular household use where Nano Positive Plus cartridges are employed; provides straightforward installation and periodic replacement to ensure continued performance.

## Long description

Replacement water filter 4Swiss Nano Positive Filter Nr.3 compatible with Nano Positive Plus systems. This cartridge is designed as a direct-fit consumable for household filtration units that use Nano Positive Plus cartridges, providing reduction of common contaminants and maintaining water quality with straightforward installation and periodic replacement.
Advantages
The 4Swiss Nano Positive Filter Nr.3 is engineered for compatibility and ease of use, offering reliable contaminant reduction while preserving flow rate suitable for everyday household needs. Its form factor allows quick replacement without tools and minimal downtime. The design focuses on stable performance over the recommended service life, helping to sustain taste and clarity of filtered water in systems designed for Nano Positive Plus cartridges.
Suitable for
 Home drinking water filtration systems that accept Nano Positive Plus cartridges
 Periodic cartridge replacement schedules to maintain filter efficiency
 Households seeking straightforward, tool-free cartridge swaps
Key specifications
 Compatibility: direct-fit replacement for systems using Nano Positive Plus cartridges
 Application: point-of-use household water filtration
 Performance focus: reduction of common particulate and chemical contaminants to improve taste and clarity
 Form factor: plug-and-play cartridge designed for quick installation
How to use
Shut off the water supply to the filtration unit, relieve pressure by opening a faucet, and remove the spent cartridge following the host system's instructions. Insert the 4Swiss Nano Positive Filter Nr.3 until it seats securely, restore water supply and check for leaks. Run water through the system for the time recommended by the filtration unit manufacturer to flush the new cartridge before regular use. Replace the cartridge at intervals advised by the system guidelines or when noticeable performance decline occurs.
Usage recommendations
Use only in filtration systems designed for Nano Positive Plus type cartridges. Follow the host unit's maintenance schedule and local water quality guidance to determine optimal replacement frequency. If water has unusual taste, odor, or sediment, perform an earlier inspection and replacement as needed.

## FAQ

### How much does the 4Swiss Nano Positive Filter Nr.3 water filter cost, and is it available for purchase?

The price is 30.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1080 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 10.07.2026 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. All transactions are 100% secure and encrypted.

### 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 4Swiss 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 4Swiss 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/4825335/30332870_large.webp