Shark
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Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
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Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
No more dirt on your hands, no more dust clouds in your home, no more cleaning after you clean.
Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White
Item #: 258305267

Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White

Item #: 258305267

XCD 674

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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us Imported from USA store

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Only 12 items left in stock.
Order now and get it around Saturday, October 10
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No more dirt on your hands, no more dust clouds in your home, no more cleaning after you clean.
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What Stands Out

Auto-Empty Dock
Effortlessly eliminates the hassle of manual dirt disposal, ensuring the vacuum is always ready. This innovative dock automatically empties debris, saving you time and keeping your home clean with minimal maintenance.
Cordless Convenience
Enjoy unrestricted movement while cleaning any area of your home. The cordless design allows for easy maneuverability, making it ideal for quick clean-ups and reaching tight spaces without tangled cords.
Restored Quality
This restored vacuum offers the same high performance as new, reducing waste and providing exceptional value. Get a premium cleaning experience at a more affordable price, while contributing to eco-friendly practices.

Product Details

Shop Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum, Vacuum Cleaner with Auto-Empty Dock, White online at a best price in Montserrat. 20795057735
  • AUTOMATICALLY CHARGES & EMPTIES AFTER EVERY CLEAN: Return the vac to its charging dock, where it automatically empties into the base. After every clean: no more dirt on your hands, no more dust clouds in your home, no more cleaning after you clean. LIGHTWEIGHT MANEUVERABILITY: The redesigned cordless vacuum is 30% lighter vs. Shark Vertex Pro. 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.) UP TO 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. Shark Navigator upright manual empty US/CAN NV130.) HEPA FILTRATION AND ANTI-ALLERGEN COMPLETE SEAL: Captures and traps over 99.97%* of dust and allergens. (*Based on ASTMF1977, down to .3 microns. Allergens refers to non-living matter.) AUTO-ADJUSTS TO FLOOR TYPES: Auto-adjusting & Multi- surface 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. 8 Duster Crevice Tool, Pet-Multi tool, Removable DC-Jack Battery Pack (spare battery packs and charging cords sold separately)
Vacuum cleaner typeStick Vacuum Cleaners
Power typeBattery
Battery life40 min
Air watts120 W
BaglessY
BrandShark
Filter typeHEPA
Recommended surfaceCarpet
Power optionsNon-Detachable Battery
Weight11.24 lb (5.1 kg)
AccessoriesAuto-Empty Base, Cordless Vacuum, Crevice Tool, Pet Multi-Tool
Cord length6 ft
ColorWhite
Recommended useRugs
Amps25 A
ModelBU3521
Assembled product dimensions (l x w x h)11.24 x 10.35 x 28.86 in (28.5 x 26.3 x 73.3 cm)
Has written warrantyNo
Has nrtl listing certificationN

Who Should Buy?

Suitable For
  • Pet Owners

    Ideal for pet owners needing efficient vacuuming for pet hair and dander, ensuring a clean living space.

  • Compact Homes

    Perfect for small apartments or homes where storage space is minimal, as it’s lightweight and easy to store.

  • Busy Parents

    Great for busy parents who require quick clean-up solutions, especially in high-traffic areas of the home.

Not Suitable For
  • Heavy-Duty Cleaning

    Not suitable for those needing a vacuum for deep cleaning large areas or heavy-duty cleaning tasks.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: How long does the vacuum run on a full charge?

    Answer: The vacuum can run up to 40 minutes in ECO mode.
  • Question: What type of floors can this vacuum clean?

    Answer: It automatically adjusts to various floor types for effective cleaning.
  • Question: How does the auto-empty feature work?

    Answer: After cleaning, simply return the vacuum to its dock where it automatically empties into the base.

Shark Cordless Vacuums Editorial Review

Restored Shark BU3521 Clean & Empty Cordless Stick Vacuum is a powerful and efficient cleaning solution designed to handle various surfaces, particularly carpets and rugs. This vacuum features a 120W motor and a HEPA filter, making it ideal for trapping allergens and improving air quality while cleaning. With a lightweight design at just 11.24 lbs and a battery life of up to 40 minutes, it ensures a convenient and hassle-free cleaning experience. The perk of having an auto-empty dock means you can spend less time dealing with dirt and debris. Overall, users appreciate its effectiveness and ease of use, making it a great addition to your cleaning routine.

Customer Reviews & Ratings

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Pros

  • Powerful 120W motor for effective cleaning
  • Lightweight design makes it easy to maneuver
  • HEPA filter traps allergens effectively
  • Auto-empty dock reduces maintenance hassle
  • Suitable for both carpets and rugs

Cons

  • Battery life may vary with intensive use

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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JK
Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
H
Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

XCD 674

Order now and get it around Saturday, October 10

QTY:

Only 12 items left in stock.
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Fastest cross-border delivery

Features & Benefits

  • Automatic charging and emptying after every use for hassle-free cleaning.
  • Lightweight design, 30% lighter for easy maneuverability.
  • Up to 40 minutes runtime in ECO mode for complete home cleaning.
  • HEPA filtration traps over 99.97% of dust and allergens.
  • Auto-adjusts brushroll speed for optimal cleaning on different floor types.
  • LED headlights help reveal hidden debris, ensuring no spot is missed.

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