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header-product Hagen aquarium air stone cylinder 2.5 cm, pack of 4 — KAMIEŃ NAPOWIETRZAJĄCY
4.99 €

Hagen aquarium air stone cylinder 2.5 cm, pack of 4 — KAMIEŃ NAPOWIETRZAJĄCY

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Hagen aquarium air stone cylinder 2.5 cm, pack of 4 — KAMIEŃ NAPOWIETRZAJĄCY

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Hagen aquarium air stone cylinder 2.5 cm, pack of 4 — KAMIEŃ NAPOWIETRZAJĄCY

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Short description

Hagen KAMIEŃ NAPOWIETRZAJĄCY cylindrical air stone, 2.5 cm diameter, pack of 4. Designed for aquarium aeration and gentle water circulation, these ceramic/rock air diffusers produce fine bubbles when connected to an air pump. Suitable for freshwater and marine tanks to increase oxygenation, improve gas exchange and support filter circulation.
Available for order: 3 pcs.
Warranty: 2 Years
SKU: 12068903
Manufacturer: Hagen
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Cheapest delivery:

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Pick-up points

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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
15.07.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
20.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
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Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
20.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Product information

Description

Hagen cylindrical air stone (2.5 cm diameter), pack of 4, is designed for efficient aquarium aeration and gentle water circulation. These compact cylindrical diffusers create a steady stream of fine bubbles when connected to a compatible air pump, helping to increase oxygen levels and promote effective gas exchange in both freshwater and marine aquaria. Made from a porous ceramic-like material, each air stone produces microbubbles that disperse oxygen evenly and support the performance of filtration systems without producing strong currents.

Advantages

The air stones provide consistent fine-bubble output that enhances oxygen dissolution and reduces surface film. Their cylindrical shape and 2.5 cm diameter make them easy to position in planted tanks, community setups or within sump/filter compartments. Supplied as a pack of four, they offer simple replacement and allow multiple aeration points to be installed. The porous construction resists clogging under normal aquarium conditions and distributes airflow uniformly for stable bubble production.

Suitable for

  • Freshwater community aquariums
  • Marine and reef tanks for general oxygenation
  • Planted tanks where gentle circulation is required
  • Sumps, filters or air-driven decorations

Key specifications

  • Shape: cylindrical air stone
  • Diameter: 2.5 cm
  • Material: porous ceramic/rock-type diffuser
  • Pack contents: 4 identical air stones
  • Bubble type: fine microbubbles for even oxygen distribution

How to use

Connect each air stone to aquarium airline tubing and an appropriate air pump or manifold. Position the stones horizontally or vertically on the substrate or inside a sump compartment, ensuring secure tubing connections to prevent leaks. Begin with low airflow and adjust the pump or use a needle valve to obtain the desired bubble size and circulation intensity. Periodically inspect the stones and replace any unit that shows heavy clogging or damage.

Usage recommendations

For optimal performance, use an air pump rated for the aquarium volume and add multiple stones to larger tanks to achieve even oxygenation. Clean or replace stones every few months depending on water conditions; soaking in dechlorinated water and gentle brushing can remove surface deposits. Avoid using harsh chemicals or boiling to clean the ceramic material.

Description

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Customer reviews

Customer questions

FAQ

How much does the Hagen air stone cylinder 2.5 cm, pack of 4 cost, and is it available for purchase?

The price is 4.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 15.07.2026 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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