# Fluval Active Carbon Cartridge insert for AC50 aquarium filter (FV-6437)

**URL:** https://aio.lv/en/product--fluval-fv-6437--12073284
**Data updated:** 2026-03-12 21:52 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** Fluval
**Manufacturer code:** FV-6437
**EAN:** 015561196437
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-08-11 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fluval-fv-6437--12073284

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.07.2026 | free |
| Pickup points | 04.08.2026 | 1.89 EUR |
| Courier delivery to door | 04.08.2026 | 4.99 EUR |

## Summary description

Replacement active carbon cartridge designed for Fluval AC50 aquarium filter. Provides chemical filtration by adsorbing impurities, odors and discoloration from aquarium water. Easy to install as an insert in the AC50 filter, suitable for maintaining water clarity and reducing organic contaminants in freshwater and community tanks.

## Long description

Fluval Active Carbon Cartridge insert for AC50 aquarium filter (FV-6437) is a replacement chemical filtration cartridge designed to fit into the Fluval AC50 filter. It contains activated carbon formulated to adsorb dissolved organic compounds, odors and discoloration, helping to maintain visual clarity and reduce unwanted chemical contaminants in aquarium water. The cartridge is pre-shaped to fit the AC50 media basket and is intended for routine replacement as part of regular filter maintenance for freshwater and community tanks.
Advantages
The cartridge provides targeted chemical filtration without altering mechanical or biological components of the existing AC50 setup, enabling straightforward maintenance. Its pre-cut shape ensures correct seating in the filter’s insert tray for consistent water contact with the carbon media. By removing dissolved organics and tannins, the cartridge supports clearer water and helps reduce odors and staining that can occur from decaying matter or tannin-rich decorations.
Suitable for
Freshwater community aquariums using the Fluval AC50 filter
Tanks where discoloration or tannins from driftwood and substrate occur
Environments requiring routine chemical polishing to control odors and organic staining
Key specifications
Media type: Activated carbon for chemical adsorption
Form factor: Pre-shaped cartridge insert designed for AC50 media basket
Compatibility: Made to fit Fluval AC50 filter series
Primary function: Adsorption of dissolved organics, pigments and odor-causing molecules
How to use
Turn off and unplug the Fluval AC50 filter before performing maintenance. Open the filter housing according to the AC50 user instructions and remove the existing media insert. Replace the old carbon cartridge with the Fluval Active Carbon Cartridge insert, ensuring it is seated correctly in the media tray. Reassemble the filter, restore power, and inspect for normal operation. Replace the carbon cartridge at intervals recommended by water conditions and manufacturer guidance, typically after several weeks to a few months depending on load and tank conditions.
Usage recommendations
Do not rinse the carbon cartridge with tap water before installation as this can reduce adsorption effectiveness; follow manufacturer guidance for replacement intervals. Use the cartridge as part of a balanced filtration approach alongside mechanical and biological media, and replace it more frequently in heavily stocked or heavily fed aquariums to maintain water clarity and chemical control.

## FAQ

### How much does the Fluval Active Carbon cartridge for AC50 cost, and is it available for purchase?

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 30.07.2026 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 Fluval 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 Fluval 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