---
product_id: 645679795
title: "Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521ME, 5 Years Warranty"
brand: "shark"
price: "€ 660.23"
currency: EUR
in_stock: true
reviews_count: 13
category: "Shark"
url: https://www.desertcart.nl/products/645679795-shark-clean-and-empty-lightweight-cordless-vacuum-cleaner-with-hepa
store_origin: NL
region: Netherlands
---

# 40 min runtime HEPA filtration 99.97% Auto-empty system Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521ME, 5 Years Warranty

**Brand:** shark
**Price:** € 660.23
**Availability:** ✅ In Stock

## Summary

> 🧼 Clean smarter, not harder — the future of effortless home care!

## Quick Answers

- **What is this?** Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521ME, 5 Years Warranty by shark
- **How much does it cost?** € 660.23 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/645679795-shark-clean-and-empty-lightweight-cordless-vacuum-cleaner-with-hepa)

## Best For

- shark enthusiasts

## Why This Product

- Trusted shark brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Breathe Easy with HEPA:** Captures 99.97% of dust & allergens, ensuring a healthier home environment.
- • **Smart Floor Adaptation:** Auto-adjusting brushroll optimizes cleaning on carpets and hard floors for spotless results.
- • **Pet Hair’s Worst Enemy:** Specialized tools and strong suction tackle pet hair and hidden debris with ease.
- • **Effortless Clean, Always Ready:** Auto-empty & charging dock keeps your vacuum charged and dust-free without lifting a finger.
- • **Light as Air, Powerful as Ever:** 30% lighter design with full-sized Shark vacuum power for seamless maneuverability.

## Overview

The Shark Clean & Empty BU3521ME is a lightweight, cordless stick vacuum featuring a 40-minute runtime, an innovative auto-empty system that seals away dust, and HEPA filtration capturing 99.97% of allergens. Designed for versatile cleaning on carpets, hard floors, and pet hair, it offers quiet operation, LED headlights, and a removable handheld vacuum for above-floor tasks. Backed by a 5-year warranty, it’s engineered for busy professionals seeking efficient, hygienic, and hassle-free home cleaning.

## Description

Buy Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521ME, 5 Years Warranty online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: One of the Best Wireless Vacuums You Can Buy - If you’re considering a wireless vacuum cleaner, this is hands down one of the best investments you can make. It delivers powerful performance, especially on carpets, picking up dirt impressively well. The battery life is long enough for practical, everyday cleaning, and the whole unit is lightweight and easy to maneuver. What really stands out is the thoughtful design and ergonomic build — everything feels intuitive and well-balanced. Based on my experience so far, it’s a purchase I feel confident about and would recommend to others.
Review: 10/10 - Absolutely amazing vacuum, light weight in comparison to traditional vacuum. Slow to charge, but charge lasts quite awhile. Daily use in small one bedroom apartment, charge lasts about two weeks. Great attachments, easy to disassemble for cleaning purposes, great suction.

## Features

- ALWAYS READY, ALWAYS CHARGED: Automatically empties and charges while docked, so it's ready for the next clean. No more manual emptying after every clean.
- LIGHTWEIGHT MANEUVERABILITY: The redesigned cordless vacuum is 30% lighter*, with the power and performance of a full-sized** Shark cordless vacuum (*vs. IZ662H.) (**Based on ASTMF608, vs. IZ662H)
- REMOVABLE HANDVAC: Transforms into handheld vacuum for lightweight above floor cleaning
- UP TO 40 MINUTES OF RUNTIME*: Deep clean your whole home with up to 40 minutes* of runtime. (*In ECO mode, measured at the hand vacuum.)
- 500X LESS DUST EXPOSURE** VS. TRADITIONAL EMPTYING: Fine dust and debris get sealed away after every clean, keeping them out of the air you breathe-- no more dust clouds. (**Based on third-party plume testing while emptying vs. manual empty.)
- HEPA FILTRATION AND ANTI-ALLERGEN COMPLETE SEAL: Captures and traps over 99.97%* of dust and allergens. (*Based on ASTMF1977, down to .3 microns.)
- AUTO-ADJUSTS TO FLOOR TYPES: Auto-adjusting & MultiSurface brushroll, optimizes brushroll speed for deep carpet cleaning and directly engages hard floors.
- QUIET MODE: Provides the option to dock & charge silently, and leave the emptying for later.
- LED HEADLIGHTS: Powerful LED lights on the nozzle reveal hidden debris around your home.
- WHAT'S INCLUDED: 8" Duster Crevice Tool, Pet-Multi tool, Removable DC-Jack Battery Pack (spare battery packs and charging cords sold separately)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D15YWYMD |
| Best Sellers Rank | #354 in Kitchen ( See Top 100 in Kitchen ) #9 in Stick Vacuums & Electric Brooms |
| Brand | Shark |
| Capacity | 1.3 Liters |
| Color | White |
| Customer Reviews | 4.2 4.2 out of 5 stars (8,743) |
| Date First Available | 21 May 2024 |
| Item Weight | 5.1 Kilograms |
| Material | Plastic |
| Model Number | BU3521 |
| Power / Wattage | 180 watts |
| Product Dimensions | 37.31 x 26.49 x 110.49 cm; 5.1 kg |
| Runtime | 40 minutes |
| Special Features | Cordless, HEPA, High Precision Sensors, Lightweight, Spotless Cleaning |
| Voltage | 120 Volts |

## Product Details

- **Brand:** Shark
- **Filter type:** HEPA Filter
- **Power source:** Battery Powered
- **Special features:** Cordless, HEPA, High Precision Sensors, Lightweight, Spotless Cleaning
- **Surface recommendation:** All floors

## Images

![Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521ME, 5 Years Warranty - Image 1](https://m.media-amazon.com/images/I/71lhbB4HHrL.jpg)
![Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521ME, 5 Years Warranty - Image 2](https://m.media-amazon.com/images/I/81a8KpRPwFL.jpg)
![Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521ME, 5 Years Warranty - Image 3](https://m.media-amazon.com/images/I/8110ZYVMAEL.jpg)
![Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521ME, 5 Years Warranty - Image 4](https://m.media-amazon.com/images/I/41fTuLonkML.jpg)
![Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521ME, 5 Years Warranty - Image 5](https://m.media-amazon.com/images/I/81N6sLdp9xL.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ One of the Best Wireless Vacuums You Can Buy
*by R***E on 12 July 2025*

If you’re considering a wireless vacuum cleaner, this is hands down one of the best investments you can make. It delivers powerful performance, especially on carpets, picking up dirt impressively well. The battery life is long enough for practical, everyday cleaning, and the whole unit is lightweight and easy to maneuver. What really stands out is the thoughtful design and ergonomic build — everything feels intuitive and well-balanced. Based on my experience so far, it’s a purchase I feel confident about and would recommend to others.

### ⭐⭐⭐⭐⭐ 10/10
*by K***D on 25 November 2025*

Absolutely amazing vacuum, light weight in comparison to traditional vacuum. Slow to charge, but charge lasts quite awhile. Daily use in small one bedroom apartment, charge lasts about two weeks. Great attachments, easy to disassemble for cleaning purposes, great suction.

### ⭐⭐⭐⭐ good quality
*by T***H on 6 October 2025*

The Vacuum cleaners did good job on daily cleaning work. For my flat which is only 369 sqft, it can completely the work in one-time full charge. However, if I want to do extra cleaning, then I need to charge it again. All about this vacuum is good, except the battery is kind insufficient. But if you live alone or having a small apartment then this is the most affordable and valuable vacuum cleaner I recommend.

## Frequently Bought Together

- Shark Clean & Empty Cordless Stick Vacuum – Lightweight Cordless Vacuum with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521
- 4 Pack IW3511 BU3521 HEPA Filter Replacement Part For Shark IW3511 IW1111 IW1120 Detect Pro Lightweight Cordless Stick Vacuum Cleaner. For Shark BU3523 Clean Empty Auto-Empty System Portable Handheld.

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**Shop now:** [https://www.desertcart.nl/products/645679795-shark-clean-and-empty-lightweight-cordless-vacuum-cleaner-with-hepa](https://www.desertcart.nl/products/645679795-shark-clean-and-empty-lightweight-cordless-vacuum-cleaner-with-hepa)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-24*