--- product_id: 629749525 title: "Clean & Empty Cordless Stick Vacuum – Lightweight Cordless with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521" brand: "shark" price: "KD 220.90" currency: KWD in_stock: true reviews_count: 13 url: https://www.desertcart.com.kw/products/629749525-clean-and-empty-cordless-stick-vacuum-lightweight-cordless-with-hepa store_origin: KW region: Kuwait --- # 40 min runtime HEPA filtration 99.97% 1.3L auto-empty base Clean & Empty Cordless Stick Vacuum – Lightweight Cordless with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521 **Brand:** shark **Price:** KD 220.90 **Availability:** ✅ In Stock ## Summary > 🧼 Clean smarter, not harder—vacuuming just got futuristic! ## Quick Answers - **What is this?** Clean & Empty Cordless Stick Vacuum – Lightweight Cordless with HEPA Filter, Portable, Rechargeable, Auto-Empty System, Stick Vacuum for Pet Hair, Carpets & Hardfloor, White, BU3521 by shark - **How much does it cost?** KD 220.90 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/629749525-clean-and-empty-cordless-stick-vacuum-lightweight-cordless-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 - • **Effortless Clean & Empty:** Auto-empty base seals away dust—no mess, no fuss, no dust clouds. - • **Pet Hair’s Worst Enemy:** Self-cleaning brushroll means no hair wrap—perfect for pet owners. - • **Always Ready, Always Charged:** Dock & charge with up to 40 minutes runtime—grab & go convenience. - • **Light as Air, Strong as Shark:** 30% lighter than previous models for nimble, all-day cleaning comfort. - • **Smart Suction for Every Surface:** Auto-adjusting brushroll optimizes power from hardwood to deep carpet. ## Overview The Shark Clean & Empty Cordless Stick Vacuum BU3521 revolutionizes home cleaning with its 1.3L auto-empty base that eliminates dust exposure by up to 500x, a lightweight design 30% lighter than previous models, and HEPA filtration capturing 99.97% of allergens. With up to 40 minutes of cordless runtime, an auto-adjusting brushroll for all floor types, and a self-cleaning system that prevents hair wrap, it’s engineered for effortless, hygienic, and powerful cleaning—ideal for busy professionals who demand efficiency and cleanliness without compromise. ## Description Meet the new Shark Clean & Empty Cordless Stick Vacuum Cleaner & Auto-Empty System. Clean & Empty features a redesigned 1.3L auto-empty base and a lightweight design for versatile cleaning. With the auto-empty system, cleaning convenience is optimized; Always Charged, Always Empty & ready for the next clean. Inside the base, fine dust and debris is captured after every clean, leaving them out of the air you breathe- Up to 500x less dust exposure*. (*Based on third party-plume testing while emptying vs. Shark Navigator upright manual empty US/CAN NV130.) Clean & Empty has up to 40 minutes of runtime* (*in ECO mode, measured at the hand vacuum) 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 - 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) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D15YWYMD | | Amperage | 25 Amps | | Battery Charge Time | 5 Hours | | Battery Description | Lithium-Ion | | Battery Life | 40 minutes | | Best Sellers Rank | #30,978 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #69 in Stick Vacuums & Electric Brooms | | Brand | Shark | | Brand Name | Shark | | Capacity | 1.3 Liters | | Color | White | | Control Method | Touch | | Controller Type | Push Button | | Customer Reviews | 4.0 out of 5 stars 916 Reviews | | Filter Type | HEPA Filter | | Finish Types | Polished | | Form Factor | Handheld, Stick | | Global Trade Identification Number | 10622356647462 | | Included Components | Auto-Empty Base, Cordless Vacuum, Crevice Tool, Pet Multi-Tool | | Indoor Outdoor Usage | Indoor | | Is Product Cordless | Yes | | Item Dimensions L x W x H | 14.69"L x 10.43"W x 43.5"H | | Item Type Name | Upright Vacuum | | Item Weight | 11.24 Pounds | | Manufacture Year | 2024 | | Manufacturer | SharkNinja | | Model Name | Clean & Empty | | Model Number | BU3521 | | Number of Handles | 1 | | Number of Items | 1 | | Number of Power Levels | 3 | | Number of Speeds | 3 | | Other Special Features of the Product | Cordless, HEPA, High Precision Sensors, Lightweight, Spotless Cleaning | | Portable | Yes | | Power Source | Battery Powered | | Recommended Uses For Product | Carpet, Floor | | Runtime | 40 minutes | | Special Feature | Cordless, HEPA , High Precision Sensors, Lightweight, Spotless Cleaning | | Style Name | Clean & Empty (Basic) | | Surface Recommendation | All floors | | UPC | 622356647465 622356309783 | | Unit Count | 1.0 Count | | Voltage | 120 Volts | | Wattage | 180 watts | ## Product Details - **Brand:** Shark - **Filter Type:** HEPA Filter - **Power Source:** Battery Powered - **Special Feature:** Cordless, HEPA, High Precision Sensors, Lightweight, Spotless Cleaning - **Surface Recommendation:** All floors ## Images ![Clean & Empty Cordless Stick Vacuum – Lightweight Cordless with HEPA Filter, 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) ![Clean & Empty Cordless Stick Vacuum – Lightweight Cordless with HEPA Filter, 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) ![Clean & Empty Cordless Stick Vacuum – Lightweight Cordless with HEPA Filter, 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) ![Clean & Empty Cordless Stick Vacuum – Lightweight Cordless with HEPA Filter, 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) ![Clean & Empty Cordless Stick Vacuum – Lightweight Cordless with HEPA Filter, 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) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by J***H on March 8, 2026* ### ⭐⭐⭐⭐⭐ Review *by T***Y on December 8, 2025* ### ⭐ Review *by J***D on December 5, 2025* ## 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. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.kw/products/629749525-clean-and-empty-cordless-stick-vacuum-lightweight-cordless-with-hepa](https://www.desertcart.com.kw/products/629749525-clean-and-empty-cordless-stick-vacuum-lightweight-cordless-with-hepa) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-13*