# Foam Filter Set Shark BU3521EU XFFKBU3521EUK for Shark vacuum models — replacement foam filters

**URL:** https://aio.lv/en/product--shark-xffkbu3521euk--11373248
**Data updated:** 2025-12-30 21:12 (EET)
**Category:** Vacuum Cleaner Consumables
**Manufacturer:** Shark
**Manufacturer code:** XFFKBU3521EUK
**EAN:** 622356300605
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 12.39 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--shark-xffkbu3521euk--11373248

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.06.2026 | free |
| Pickup points | 30.06.2026 | 1.99 EUR |
| Courier delivery to door | 30.06.2026 | 4.99 EUR |

## Summary description

Foam Filter Set for Shark vacuum cleaners, compatible with model BU3521EU (MPN XFFKBU3521EUK). This replacement set includes foam filters designed to capture dust and debris before main filtration, helping maintain suction performance and protect the motor. Use for regular maintenance and filter replacement to extend appliance life and improve indoor air cleanliness.

## Long description

Foam filter set for Shark cordless vacuum cleaner compatible with model BU3521EU (MPN XFFKBU3521EUK). These replacement foam filters capture dust and debris before the main filtration stage, help maintain suction performance and protect the motor as part of routine maintenance.
Advantages
The foam filters are designed to fit Shark BU3521EU and provide effective pre-filtration of coarse particles and hair. Replacing worn foam filters helps preserve vacuum suction, reduces strain on the main filter and motor, and contributes to longer appliance life. The set is supplied as ready-to-install replacement parts matching the original manufacturer specification.
Suitable for
Routine filter replacement for Shark BU3521EU cordless vacuum
Maintenance to restore suction performance
Pre-filtration to protect the main filter and motor
Key specifications
Brand: Shark
Compatible model: BU3521EU
Manufacturer part number (MPN): XFFKBU3521EUK
Type: Foam filter set
EAN: 622356300605
How to use
Turn off and unplug or remove the battery from the vacuum before attempting any maintenance. Open the filter compartment according to the Shark BU3521EU user manual, remove the old foam filters and insert the new foam filters in the correct orientation. Reassemble the filter compartment and ensure components are securely seated before returning the vacuum to service.
Usage recommendations
Replace foam filters periodically according to usage frequency and visible wear—typically checked every 1–3 months for regular household use. Clean larger debris from the filter area before installing replacements and follow Shark’s maintenance guidance for best results.

## FAQ

### How much does the Foam Filter Set Shark BU3521EU XFFKBU3521EUK cost, and is it available for purchase?

The price is 14.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 18 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 25.06.2026 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 Shark 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 Shark 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/11373248/66524292_large.webp