# Fluval Fluval Flex 2.0 Poly Carbon Cartridge replacement filter insert, 3-pack for Fluval Flex 2.0 aquariums

**URL:** https://aio.lv/en/product--fluval-fv-4073--12254386
**Data updated:** 2026-04-14 22:27 (EEST)
**Category:** Aquarium Supplies
**Manufacturer:** Fluval
**Manufacturer code:** FV-4073
**EAN:** 015561114073
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.49 €
**Prices and availability valid until:** 2026-08-10 23:59
**Price without VAT (21%):** 9.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fluval-fv-4073--12254386

## 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 Poly Carbon filter cartridges designed for Fluval Flex 2.0 aquarium filtration. This 3-pack contains three identical filter inserts that remove fine particles and help improve water clarity when fitted into Fluval Flex 2.0 filter housings. Intended for routine maintenance and media replacement to sustain mechanical and chemical filtration performance in freshwater or planted home aquariums.

## Long description

Fluval Fluval Flex 2.0 Poly Carbon Cartridge replacement filter insert, 3-pack for Fluval Flex 2.0 aquariums are designed to restore and maintain mechanical and chemical filtration in Fluval Flex 2.0 filter housings. Each pack contains three identical poly carbon filter cartridges that trap fine particles, reduce cloudiness and help maintain clearer water in freshwater and planted home aquariums when replaced as part of routine maintenance.
Advantages
These replacement cartridges provide a combination of physical particle removal and carbon-based adsorption to address suspended debris and dissolved organic compounds. The pre-shaped inserts fit the Fluval Flex 2.0 filter chamber for straightforward replacement and consistent performance. Supplied in a three-pack, they allow staggered or complete replacements according to regular maintenance schedules.
Suitable for
Routine filter media replacement in Fluval Flex 2.0 aquariums
Improving water clarity in freshwater and planted tanks
Home aquariums where fine particle removal and chemical adsorption are required
When it may not be suitable
These cartridges are designed specifically for Fluval Flex 2.0 filter housings; they may not fit or perform correctly in other models or brands of aquarium filters. They are intended to support mechanical and chemical filtration and do not provide biological filtration capacity on their own.
Key specifications
Contents: three identical poly carbon filter cartridges
Function: mechanical particle removal and chemical adsorption
Compatibility: designed for use in Fluval Flex 2.0 filter housings
Suitable water type: freshwater aquariums, including planted setups
How to use
Turn off and unplug the aquarium filter before attempting replacement. Remove the old cartridge from the Fluval Flex 2.0 filter chamber and dispose of it according to local waste regulations. Insert a new poly carbon cartridge into the filter slot, ensuring it sits flush and aligns with the housing guides. Reassemble the filter, reconnect power, and verify proper operation. Replace cartridges regularly based on water conditions and manufacturer maintenance intervals to sustain filtration efficiency.
What to consider before purchase
Ensure you have a Fluval Flex 2.0 aquarium with the correct filter housing for these cartridges
Decide on replacement frequency based on stocking levels, feeding, and water clarity
These cartridges support mechanical and chemical filtration but do not replace biological media
Usage recommendations
For consistent water clarity, replace one cartridge at a time on a staggered schedule or swap all three together during scheduled maintenance. Monitor water parameters and visual clarity after replacement, and supplement with biological media if needed to maintain healthy nitrogen cycling.

## FAQ

### How much does the Fluval Flex 2.0 Poly Carbon Cartridge — 3-pack cost, and is it available for purchase?

The price is 11.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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