# Air stone Tetra AS 45 for aquarium aeration — compatible with Tetra APS air pumps

**URL:** https://aio.lv/en/product--tetra-07210--12036267
**Data updated:** 2026-03-12 16:45 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** Tetra
**Manufacturer code:** 07210
**EAN:** 4004218603578
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tetra-07210--12036267

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Tetra AS 45 is an aquarium air stone designed to diffuse air into water for improved oxygenation and circulation. Compatible with Tetra APS air pumps, it creates fine bubbles to support fish respiration and biological filtration. Suitable for home aquariums, planted tanks and setups requiring gentle, even aeration and water movement.

## Long description

Tetra AS 45 is an air stone designed for aquarium aeration that produces a fine, even stream of bubbles to enhance oxygen transfer and gentle water circulation. Compatible with Tetra APS air pumps, it is intended for use in home aquariums, planted tanks and other setups where steady aeration supports fish respiration and biological filtration. The AS 45 is made with a fine-pored structure to ensure uniform bubble distribution and low resistance to airflow.
Advantages
The fine-pored design delivers consistent, small bubbles that improve surface agitation and oxygen exchange without creating strong currents. Low pressure resistance allows air pumps to operate efficiently while maximising bubble output. The air stone is manufactured for long-term use and maintains performance over time when used as recommended. Compatibility with Tetra APS air pumps ensures reliable matching of flow characteristics for typical domestic aquarium setups.
Suitable for
 Freshwater community aquariums
 Planted tanks where gentle circulation is required
 Biological filtration systems that benefit from increased oxygenation
 Small to medium-sized aquaria powered by external air pumps
Key specifications
 Diffusion type: fine-pored air stone for small, uniform bubbles
 Flow characteristic: low pressure resistance for efficient pump performance
 Application: designed for aquarium aeration and circulation
 Durability: manufactured for extended use under normal aquarium conditions
 Compatibility: intended for use with compatible external air pumps designed for aquarium aeration
How to use
Connect the air stone to an appropriate airline tubing and an air pump such as the Tetra APS series, ensuring airtight connections. Position the air stone near the bottom of the aquarium or where improved circulation is desired, leaving space around it for unobstructed bubble rise. Start the pump and verify that the stone produces an even stream of fine bubbles; if output is weak, check tubing for kinks and ensure the pump provides sufficient pressure. Periodically clean or replace the air stone if bubble size increases or output decreases due to clogging or mineral buildup.
Usage recommendations
For consistent performance, use the air stone with an air pump matched to the aquarium size and avoid submerging the pump in water. Clean the air stone by gently scrubbing or soaking in a mild vinegar solution to remove deposits, rinse thoroughly before reuse, and replace when cleaning no longer restores bubble quality.

## Specifications

| Feature | Value |
|---|---|
| Compatible products | Tetra APS Air Pumps |
| Product type | Air stone |

## FAQ

### How much does the Air stone Tetra AS 45 cost, and is it available for purchase?

The price is 5.99 € (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 03.07.2026 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/12036267/67605310_large.webp