# Internal Aquarium Filter Hagen Fluval U1 — 200 L/h Flow

**URL:** https://aio.lv/en/product--hagen-001746--12014961
**Data updated:** 2026-03-11 20:49 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** Hagen
**Manufacturer code:** 001746
**EAN:** 015561104654
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 30.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 25.61 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hagen-001746--12014961

## 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

Hagen Fluval U1 is an internal aquarium filter designed for mechanical and biological filtration with a flow rate of 200 L/h. Compact and submersible, it fits small tanks and provides continuous water circulation, reducing debris and supporting beneficial bacteria. Suitable for freshwater setups, shrimp or small fish tanks where gentle filtration is required.

## Long description

Hagen Fluval U1 is an internal aquarium filter designed for mechanical and biological filtration in small freshwater tanks. Compact and fully submersible, this unit provides continuous water circulation with a rated flow of 200 L/h. The Fluval U1 reduces suspended debris and supports the establishment of beneficial bacteria colonies, making it suitable for shrimp tanks and aquariums with small or delicate fish that require gentle filtration.
Advantages
The compact design allows discrete installation inside small aquariums without occupying significant space. Its combination of mechanical media and biological surface area helps remove particulate matter while promoting nitrifying bacteria growth. The adjustable flow and quiet operation ensure water movement is appropriate for sensitive species. Easy to install and maintain, the filter is engineered for continuous submersion and stable performance in freshwater environments.
Suitable for
 Small freshwater aquariums up to recommended flow capacity
 Shrimp tanks and nano aquaria
 Tanks with small or delicate fish that need gentle circulation
 Quarantine or hospital tanks where compact filtration is required
Key specifications
 Flow rate: 200 L/h
 Filter type: Internal submersible filter
 Filtration modes: Mechanical and biological
 Installation: Fully submersible, in-tank mounting
 Suitable water type: Freshwater
 Intended tank size: Small aquariums and nano setups
How to use
Mount the Hagen Fluval U1 inside the aquarium at a location that allows unobstructed water flow. Prime the unit according to the manufacturer’s instructions if required, then plug in to start circulation. Adjust the outlet orientation or flow settings to achieve gentle movement appropriate for the inhabitants. Replace or rinse mechanical media regularly to prevent clogging and maintain effective biological filtration. Follow safety guidelines for electrical equipment near water and disconnect power before servicing.
Usage recommendations
For stable water quality, combine regular partial water changes with routine media maintenance. Monitor flow and aquarium parameters after installation; reduce flow or reposition the filter if strong currents stress small fish or shrimp. Use compatible replacement media and clean impeller components periodically to ensure optimal performance.

## FAQ

### How much does the Hagen Fluval U1 internal aquarium filter cost, and is it available for purchase?

The price is 30.99 € (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 Hagen 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 Hagen 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/12014961/67503737_large.webp