---
product_id: 733364100
title: "Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Powerful Suction, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White BU3521"
brand: "shark"
price: "¥135648"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/733364100-shark-clean-and-empty-lightweight-cordless-vacuum-cleaner-with-hepa
store_origin: JP
region: Japan
---

# 30% lighter for effortless handling Up to 40 mins runtime in ECO mode 1.3L auto-empty base holds 30 days of dust Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Powerful Suction, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White BU3521

**Brand:** shark
**Price:** ¥135648
**Availability:** ✅ In Stock

## Summary

> 🧼 Clean smarter, live fresher—vacuuming just got a glow-up!

## Quick Answers

- **What is this?** Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Powerful Suction, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White BU3521 by shark
- **How much does it cost?** ¥135648 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/733364100-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

- • **Clean Without the Mess:** Seals away dust with 500x less exposure than traditional emptying—ditch the dust clouds and allergy triggers.
- • **Smart Floor Adaptation:** Auto-adjusting brushroll optimizes suction for carpets and hard floors—deep clean every surface effortlessly.
- • **Ultra-Lightweight Power:** 30% lighter design delivers full-sized suction without the arm fatigue—clean smarter, not harder.
- • **HEPA-Grade Allergy Defense:** Captures 99.97% of dust & allergens with sealed filtration—breathe easier, live healthier.
- • **Always Ready, Always Charged:** Auto-empty & recharge dock keeps your vacuum primed for action—no manual emptying, no downtime.

## Overview

The Shark Clean & Empty BU3521 is a lightweight, cordless stick vacuum featuring a 1.3L auto-empty base that stores up to 30 days of dust. It offers up to 40 minutes of runtime, HEPA filtration capturing 99.97% of allergens, and an auto-adjusting brushroll for seamless transition between carpets and hard floors. Designed for effortless cleaning with minimal dust exposure, it’s perfect for busy professionals seeking convenience and superior performance.

## Description

Meet the new Shark Clean & Empty Cordless Stick Vacuum & Auto-Empty System. Clean & Empty features a redesigned 1.3L auto-empty base and a 30% lighter* stick vacuum, maintaining the performance of a full-sized** cordless. (*vs. IZ662H.) (**Based on ASTMF608, vs. IZ662H.) With the auto-empty system, cleaning convenience is optimized; Always Ready, Always Charged, Always Empty & ready for the next clean. The redesigned base holds up to 30-days* of dust & debris (*Based on ASTMF608, Eco vs. Boost.), so you can forget about emptying for up to a month and leave behind the trips to the trash can after every use. Inside the base, fine dust and debris get sealed away after every clean, leaving them out of the air you breathe—500x less dust exposure*. (*Based on third-party plume testing while emptying vs. manual empty.) Clean & Empty has up to 40 minutes of runtime with nozzle technology to auto-adjust to floor type, optimizing brushroll speed for deep carpet cleaning. The PowerFins multi-surface brushroll gives you continuous cleaning contact to dig deep into carpets & directly engage hard floors with self-cleaning brushroll technology allowing for no hair wrap.

## 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 |
|---------------|-------|
| Product Dimensions | 37.31 x 26.49 x 110.49 cm; 5.1 kg |
| Form Factor | Stick |
| Finish types | Polished |
| Batteries required | Yes |
| Battery type | Lithium-Ion |
| Included components | Crevice Tool |

## Product Details

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

## Images

![Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Powerful Suction, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White BU3521 - Image 1](https://m.media-amazon.com/images/I/71lhbB4HHrL.jpg)
![Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Powerful Suction, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White BU3521 - Image 2](https://m.media-amazon.com/images/I/81a8KpRPwFL.jpg)
![Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Powerful Suction, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White BU3521 - Image 3](https://m.media-amazon.com/images/I/8110ZYVMAEL.jpg)
![Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Powerful Suction, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White BU3521 - Image 4](https://m.media-amazon.com/images/I/41fTuLonkML.jpg)
![Shark Clean & Empty – Lightweight Cordless Vacuum Cleaner with HEPA Filter, Powerful Suction, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White BU3521 - Image 5](https://m.media-amazon.com/images/I/81N6sLdp9xL.jpg)

## 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.jp/products/733364100-shark-clean-and-empty-lightweight-cordless-vacuum-cleaner-with-hepa](https://www.desertcart.jp/products/733364100-shark-clean-and-empty-lightweight-cordless-vacuum-cleaner-with-hepa)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-27*