# Filter Head Replacement for Fil 250 by sera (model SE-30639)

**URL:** https://aio.lv/en/product--sera-se-30639--12044368
**Data updated:** 2026-03-12 19:26 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** sera
**Manufacturer code:** SE-30639
**EAN:** 4001942306393
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 73.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 60.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sera-se-30639--12044368

## 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

Replacement filter head compatible with sera Fil 250 aquarium filter systems. Manufactured by sera (MPN SE-30639, EAN 4001942306393), this component serves as the mechanical and connection part of the external filter, allowing secure attachment of hoses, cartridges and internal components. Intended for maintenance and repair of Fil 250 units to restore proper water flow and sealing.

## Long description

Replacement filter head compatible with sera Fil 250 aquarium filter systems. This filter head serves as the mechanical connection point for hoses, cartridges and internal components of the external filter, restoring secure sealing and proper water flow after maintenance or repair. The component is designed to match the form and function expected for Fil 250 units and to integrate with the original filter housing and media cartridges.
Advantages
The replacement head restores original connection geometry and sealing features to ensure reliable water circulation and prevent leaks. It provides precise ports for inlet and outlet hose attachment and secure mounting for filter cartridges and internal parts. Being a dedicated replacement part, it reduces downtime during repairs and supports continued use of existing Fil 250 filter media and accessories.
Suitable for
Maintenance and repair of sera Fil 250 external aquarium filters
Replacing a cracked, worn or leaking filter head to restore water tightness
Reinstating proper hose and cartridge connections after disassembly
Key specifications
Function: mechanical connection head for external aquarium filter
Compatibility: designed for Fil 250 filter housing and internal cartridges
Connection types: ports for inlet and outlet hose attachment and cartridge mounting
Material: durable molded plastic suitable for aquarium use
Mounting: designed to align with original filter housing attachment points
How to use
Turn off and disconnect the external filter and remove it from the aquarium following standard safety procedures. Open the filter housing and remove media cartridges and internal components to access the head assembly. Detach the old head by releasing securing clips or fasteners, disconnect hoses and electrical connections if present, and replace with the new head by aligning attachment points and snapping or fastening it into place. Refit cartridges and hoses, restore water connections and perform a leak test before returning the filter to regular operation.
Usage recommendations
Use genuine replacement heads matching the Fil 250 design to maintain proper sealing and flow. Inspect O-rings and seals during installation and replace any worn seals to prevent leaks. After reassembly, prime the filter and check for correct water direction and absence of airlocks before leaving the unit unattended.

## FAQ

### How much does the sera Fil 250 filter head SE-30639 cost, and is it available for purchase?

The price is 73.49 € (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 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, Installment. All transactions are 100% secure and encrypted.

### Can sera Fil 250 filter head SE-30639 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 sera 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 sera 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/12044368/67531121_large.webp