# Activated carbon filter Tetra CF 400/600 plus for aquarium filtration, 1 pc

**URL:** https://aio.lv/en/product--tetra-tetra-activated-carbon-cf-4006--11138569
**Data updated:** 2026-03-11 11:59 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** Tetra
**Manufacturer code:** Tetra Activated Carbon CF 400/6
**EAN:** 4004218134652
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 23.49 €
**Prices and availability valid until:** 2026-08-12 23:59
**Price without VAT (21%):** 19.41 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tetra-tetra-activated-carbon-cf-4006--11138569

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.07.2026 | free |
| Pickup points | 03.08.2026 | 1.89 EUR |
| Courier delivery to door | 03.08.2026 | 4.99 EUR |

## Summary description

Activated carbon filter Tetra CF 400/600 plus — replacement cartridge for aquarium filtration systems. Contains activated carbon media designed to adsorb odors, discoloration and organic impurities. Supplied as a single pack (1 pc). Compatible with Tetra CF 400 and CF 600 filter units for routine water clarification and maintenance.

## Long description

The Tetra Activated Carbon Filter CF 400/600 plus is a replacement cartridge designed for Tetra CF 400 and CF 600 aquarium filter units. It contains activated carbon media formulated to adsorb odors, discoloration and a range of organic impurities from aquarium water. Supplied as a single piece, this cartridge is intended for routine water clarification and maintenance to help maintain visibly clear water and reduce dissolved contaminants.
Advantages
The activated carbon media effectively adsorbs dissolved organic compounds, medicines and odors that can cause water discoloration and reduced clarity. The cartridge is shaped and sized for direct compatibility with Tetra CF 400 and CF 600 filter housings, simplifying replacement and maintenance. Supplied as an individual pack, it allows targeted replacement of the carbon stage without changing the entire filter module.
Suitable for
 Routine removal of discoloration and dissolved organics in freshwater aquariums
 After-medication water treatment to reduce residual pharmaceuticals
 Maintenance of visual water clarity in community and species aquaria
 Periodic odor control and polishing stage in multi-stage filtration
Key specifications
 Filter media type: activated carbon
 Compatibility: designed for use with Tetra CF 400 and CF 600 filter units
 Packaging: single cartridge (1 pc)
 Function: adsorption of organic impurities, discoloration and odors
How to use
Turn off and disconnect the filter unit before replacing the cartridge. Open the Tetra CF 400 or CF 600 filter housing according to the manufacturer's instructions, remove the spent cartridge and insert the activated carbon filter CF 400/600 plus in the correct orientation. Reassemble the filter housing, restore power and prime the filter if required. Follow the filter unit manual for any specific priming or break-in procedures.
Usage recommendations
Replace the activated carbon cartridge at regular intervals or when water discoloration or odors reappear. Do not use carbon immediately after adding medications if prolonged medicinal effect is required; remove the carbon beforehand to avoid rapid removal of treatment agents. Dispose of spent cartridges according to local waste regulations.

## Specifications

| Feature | Value |
|---|---|
| Product type | Activated carbon filter |
| Neutral pH | Yes |
| Quantity per pack | 1 pc(s) |
| Suitable for freshwater aquarium | Yes |
| Suitable for marine aquarium | Yes |

## FAQ

### How much does the Activated carbon filter Tetra CF 400/600 plus cost, and is it available for purchase?

The price is 23.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 70 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 29.07.2026 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 Tetra 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 Tetra 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/11138569/61853605_large.webp