# Fluval O-ring seal for FX2 external aquarium filter, model FV-2135 (A20213)

**URL:** https://aio.lv/en/product--fluval-fv-2135--12254009
**Data updated:** 2026-04-14 22:27 (EEST)
**Category:** Aquarium Supplies
**Manufacturer:** Fluval
**Manufacturer code:** FV-2135
**EAN:** 015561302135
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.99 €
**Prices and availability valid until:** 2026-08-13 23:59
**Price without VAT (21%):** 20.65 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fluval-fv-2135--12254009

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 31.07.2026 | free |
| Pickup points | 05.08.2026 | 1.89 EUR |
| Courier delivery to door | 05.08.2026 | 4.99 EUR |

## Summary description

Spare Fluval O-ring seal designed for the FX2 external aquarium filter (model FV-2135, A20213). Provides a water-tight seal at pump and housing joints to prevent leaks and maintain correct pressure. Suitable for FX2 service and maintenance tasks, replacement during routine filter servicing or when existing seals show wear.

## Long description

Fluval O-ring seal for FX2 external aquarium filter (model FV-2135) is a spare water‑seal component designed to restore and maintain leak‑free connections on the FX2 canister filter. The O‑ring fits at critical junctions between the pump housing and filter body to ensure correct pressure and prevent water seepage during normal operation and maintenance.
Advantages
This genuine Fluval O‑ring seal is made to match the dimensions and material properties required for reliable sealing in the FX2 filter system. It protects against leaks that can cause loss of water, reduced filtration efficiency or motor strain by maintaining a consistent, pressure‑tight connection. The spare O‑ring is a compact, easy‑to‑store component that simplifies routine service and replacement, helping to extend the working life of the filter.
Suitable for (tasks / use cases)
 Routine maintenance and seal replacement on Fluval FX2 canister filters
 Repairing minor leaks at pump or housing joints
 Keeping spare parts on hand for scheduled filter servicing
 Ensuring correct pressure and water‑tight connections after disassembly
When it may not be suitable
This O‑ring is intended specifically for use with the FX2 external canister filter series and may not fit other Fluval models or non‑Fluval filters. It is not a mechanical or electrical component and will not resolve issues unrelated to sealing, such as clogged media, worn impellers, or electrical faults. Replacement is only recommended when the original seal shows wear, cracking, or deformation.
Key specifications
 Function: Replaceable rubber O‑ring seal for external canister filter
 Compatibility: Designed for FX2 series canister filter joints and pump housings
 Material: Elastomeric rubber suitable for aquarium use
 Purpose: Provides water‑tight seal and maintains operating pressure
How to use
Turn off and unplug the filter before attempting any servicing. Drain or remove excess water around the filter joint, then disassemble the pump housing or filter connection following the manufacturer’s service instructions. Remove the old O‑ring, clean the sealing surfaces to remove debris or sediment, and position the new Fluval O‑ring into the groove. Reassemble the parts, ensure the O‑ring is seated evenly, and test the filter for leaks before returning it to normal operation.
What to consider before purchase
 Confirm compatibility with your specific FX2 canister filter model
 Inspect current seal condition to determine if replacement is necessary
 Have basic tools and the manufacturer’s service instructions available for safe installation
Usage recommendations
Store the spare O‑ring in a cool, dry place away from direct sunlight. Replace the O‑ring at the first signs of hardening, cracking or deformation and inspect seals during regular filter maintenance to prevent leaks and maintain filtration performance.

## FAQ

### How much does the Fluval O-ring for FX2 filter FV-2135 cost, and is it available for purchase?

The price is 24.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 31.07.2026 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