Shark Clean & Empty™ BU3521

BU3521

    Shark Clean & Empty™ BU3521Shark Clean & Empty™ BU3521Shark Clean & Empty™ BU3521Shark Clean & Empty™ BU3521Shark Clean & Empty™ BU3521Shark Clean & Empty™ BU3521

IN STOCK - LOW STOCK

$339
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Pay in 4 interest-free payments of $84.75

Afterpay 4 interest-free payments of $84.75
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Product Highlights

  • Wall Mountable: No
  • Hygienic Bin Emptying: No
  • Dirt Indicator: No
  • Run Time (Min): 40

Product Overview

Shark® Clean & Empty™, BU3521

Meet the new Shark® Clean & Empty Cordless Stick Vacuum & Auto-Empty System. Clean & Empty features a redesigned 1.3L auto-empty base and a lightweight stick vacuum. With the auto-empty system, cleaning convenience is optimised; Always Ready, Always Charged, Always Empty & ready for the next clean. The redesigned base holds up to 30-days1 of dust & debris, so you can forget about emptying for up to a month and leave behind the trips to the rubbish bin 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 exposure2.

Clean & Empty has up to 40 minutes of runtime with nozzle technology to auto-adjust to floor type, optimising 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.

Key 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, with the powerful performance.

UP TO 40 MINUTES OF RUNTIME3

Deep clean your whole home with up to 40 minutes3 of runtime.

HYPERVELOCITY SUCTION

Accelerated suction power allows for powerful debris pickup on carpets & floors.

HEPA FILTRATION AND ANTI-ALLERGEN COMPLETE SEAL

Captures and traps over 99.97%4 of dust and allergens.

1 Based on ASTMF608, Eco vs. Boost.

2 Based on third-party plume testing while emptying vs. manual empty.

3 In ECO mode, measured at the hand vacuum.

4 Based on ASTMF1977, down to .3 microns.

Based on ASTMF608, Eco vs. Boost.
Based on third-party plume testing while emptying vs. manual empty.
In ECO mode, measured at the hand vacuum.
Based on ASTMF1977, down to .3 microns.

Specifications

  • Description

    • Search Snippet: The Shark Clean & Empty BU3521 features a 1.3L auto-empty base that holds up to 30 days of dust and debris.

  • Global

    • Model Number: BU3521
    • Vacuum Cleaner Type: Handstick Vacuums

  • General

    • Colour: Navy, White

  • Features

    • Cyclonic: No
    • Dirt Indicator: No
    • Hygienic Bin Emptying: No
    • LCD Display: No
    • LED Lights: Yes
    • Swivel Steering: No
    • Telescopic Wand: No
    • Wall Mountable: No
    • Wet Vacuum: No

  • Design

    • Vacuum Floor Type: Hard Floor

  • Battery

    • Run Time (Min): 40

  • Filter Information

    • Filtration : HEPA

  • Dimensions

    • Depth: 140mm
    • Height: 1100mm
    • Width: 265mm

  • In The Box & Warranty

    • Included: 1x Shark® Clean & Empty™, 1x 8” Duster Crevice Tool, 1x Pet Multi Tool, 1x Auto Empty Charging Dock
    • Warranty (Years): 2

Why Buy?

Auto-empty convenience for hands-free household cleaning

The 1.3L auto-empty base holds 30 days of dust and debris, eliminating manual emptying after every clean. When the shark cordless vacuum auto empty base activates, it seals fine particles away, reducing dust exposure by 500 times compared to traditional emptying methods.

HyperVelocity suction combines with PowerFins multi-surface brushroll technology that automatically adjusts to floor types, maintaining continuous cleaning contact across deep carpets and hard surfaces. The self-cleaning brushroll prevents hair wrap entirely, while HEPA filtration with Anti-Allergen Complete Seal captures 99.97% of particles down to 0.3 microns. Up to 40 minutes of runtime handles whole-home cleaning sessions without interruption.

The lightweight cordless design eliminates power cord constraints, making stairs, under-furniture cleaning, and quick spot cleaning effortless. Always charged and always empty when docked, it integrates seamlessly into busy household routines where effective cleaning needs to happen without preparation or ceremony.

Buy this if…

  • You want month-long convenience without touching dust cups
  • You need whole-home runtime that handles all floor types equally
  • You prefer automatic maintenance over manual cleaning rituals
  • You value HEPA-grade allergen capture for cleaner air
  • You want cordless freedom for multi-level cleaning

Frequently Asked Questions

How long does the battery last on this cordless vacuum?

The battery provides up to 40 minutes of run time when operating in ECO mode. This allows for cleaning multiple rooms or average-sized homes on a single charge. Explore our full range of cordless vacuums for models with different battery specifications.

Does this stick vacuum empty itself into a base?

Yes, the Shark Clean & Empty™ includes an auto-empty charging dock that automatically empties the vacuum's dustbin when docked. This 1.3L base holds up to 30 days of debris with 500x less dust exposure during emptying, offering a more hygienic experience.

Does this vacuum effectively filter out allergens?

Yes, this handstick vacuum features HEPA filtration, which captures over 99.97% of dust and allergens down to 0.3 microns. This makes it a strong choice for households concerned with indoor air quality and allergy relief.

Is this vacuum good for cleaning pet hair on hard floors?

Yes, this model is specifically designed for hard floor types and features PowerFins multi-surface brushroll technology that actively prevents hair wrap. It also comes with a Pet Multi Tool, enhancing its effectiveness for pet owners.

Does this handstick vacuum have lights on the floorhead?

Yes, this handstick vacuum is equipped with LED lights on the floorhead. These lights illuminate hidden dust and debris in dimly lit areas, ensuring a more thorough clean under furniture and in corners.