# Fluval FX Aquarium Cleaner Attachment for FX4/FX5/FX6 – FV-3701 compatible

**URL:** https://aio.lv/en/product--fluval-fv-3701--10812634
**Data updated:** 2026-03-11 11:56 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** Fluval
**Manufacturer code:** FV-3701
**EAN:** 0015561103701
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 56.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 47.10 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fluval-fv-3701--10812634

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Attachment designed for Fluval FX series external filters, compatible with FX4, FX5 and FX6 models. Provides connection for aquarium maintenance tasks such as gravel vacuuming and debris removal by integrating with the filter’s intake/output system. Suitable for routine substrate cleaning and waterline maintenance without altering primary filtration.

## Long description

The Fluval FX Aquarium Cleaner Attachment for FX4/FX5/FX6 is an add-on designed to integrate with Fluval FX series external filters and enable easier substrate vacuuming and debris removal. Compatible with FX4, FX5 and FX6 models, the attachment connects to the filter's plumbing to use the existing intake and output flow for maintenance tasks. It is intended to support routine aquarium cleaning without changing the primary filtration setup.
Advantages
This attachment allows aquarium owners to perform gravel vacuuming and surface debris removal while leveraging the flow and suction of Fluval FX series external filters. Installation maintains the original filtration path, so primary filter media remain undisturbed. The design reduces the need for separate powerheads or suction devices and simplifies periodic substrate maintenance for freshwater and community tanks.
Suitable for
Routine gravel vacuuming and substrate cleaning in aquariums with Fluval FX4, FX5 or FX6 filters
Removing floating debris and detritus near the waterline
Maintenance workflows that use the filter’s intake/output plumbing for water movement
Aquarists who prefer integrated cleaning solutions without modifying primary filter media
Key specifications
Compatibility: designed for use with Fluval FX4, FX5 and FX6 external filters
Function: connects to filter plumbing to facilitate suction-assisted gravel vacuuming and debris removal
Integration: uses existing intake/output flow so primary filter media are not bypassed
Use environment: suitable for freshwater aquarium maintenance
How to use
Attach the cleaner to the designated connection point on the Fluval FX filter according to the product orientation and fit. Start the filter to establish flow; position the cleaner inlet near the substrate or surface debris to allow suction to pick up waste and detritus. Move the attachment gently across the gravel or along the waterline, periodically checking water clarity and avoiding prolonged suction in a single spot to prevent disturbing beneficial bacteria in the substrate. Turn off the filter before detaching the cleaner or performing any maintenance on the filter itself.
Usage recommendations
Use the attachment for short, regular cleaning sessions rather than extensive continuous suction. Inspect hoses and connections for secure fittings before each use, and follow Fluval FX filter maintenance intervals to preserve filtration performance while using the cleaner.

## FAQ

### How much does the Fluval FX cleaner attachment for FX4/FX5/FX6 cost, and is it available for purchase?

The price is 56.99 € (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 14.07.2026 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

## Image

https://aio.lv/img/cache/product/10812634/68545235_large.webp