---
product_id: 601344355
title: "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."
brand: "payudal"
price: "€ 35.02"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.es/products/601344355-4-pack-iw3511-bu3521-hepa-filter-replacement-part-for-shark
store_origin: ES
region: Spain
---

# Easy tool-free installation 99.97% filtration efficiency Washable & reusable design 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.

**Brand:** payudal
**Price:** € 35.02
**Availability:** ✅ In Stock

## Summary

> 🧹 Breathe easy, clean smarter—upgrade your Shark vacuum game now!

## Quick Answers

- **What is this?** 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. by payudal
- **How much does it cost?** € 35.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/601344355-4-pack-iw3511-bu3521-hepa-filter-replacement-part-for-shark)

## Best For

- payudal enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Maintenance:** Tool-free, quick filter swaps keep your vacuum running at peak performance without hassle.
- • **Seamless Compatibility:** Perfectly fits 20+ Shark cordless stick & handheld models including IW3511 & BU3523.
- • **Value-Packed Convenience:** Four premium HEPA filters in one pack—always have a fresh filter ready to go.
- • **Eco-Friendly & Cost-Savvy:** Washable and reusable filters save you money and reduce waste—refresh your vacuum effortlessly.
- • **Ultra-High Filtration Power:** Captures 99.97% of dust, dander & allergens down to 0.3 microns for cleaner air.

## Overview

This 4-pack of premium HEPA replacement filters is engineered for Shark IW3511, IW1111, BU3523, and related cordless stick vacuums. Each filter traps 99.97% of microscopic particles down to 0.3 microns, improving air quality and vacuum efficiency. Washable and reusable, these filters offer eco-friendly, cost-effective maintenance with easy, tool-free installation. Ideal for professionals who demand spotless spaces and healthier environments.

## Description

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.

## Features

- Compatible Models: IW3511, IW3511AMZ, IW1111, IW1111C, IW1120, IW1120C, IW3120, IW3120C, IW1000, IW3000, IW3110C, IW3111, IW3111C, IW3615, AMZIW3615, IW3615CCO, IW1615, IW1615QBL, IW1615QBR, IW1615QGN, IW1615QPR & IW1615QSL. Any use of the brand name or model designation for this product is made solely to demonstrate compatibility.
- Compatible Models: BU3523 BU3521 IW3511 IW1111 HEPA Filter Replacement parts fit for Shark Clean Empty-Lightweight Cordless Stick Vacuum Cleaner with Auto-Empty System, HEPA Filter, Powerful Suction, Portable, Rechargeable, Exclusive Motorized Hand Tool for Pet Hair, BU3523, BU3521, BU3120, BU3520C.
- Compatible Models: W3511 IW1111 HEPA Filter Replacement parts fit for Shark IW3511 IW1111 Detect Pro-Lightweight Cordless Stick Vacuum Cleaner, Portable Handheld Attachment Vacuum Filter Kits. Compatible with Shark IW3511 IW1111 Detect Pro Auto-Empty System Cordless Stick Vacuum Cleaner, QuadClean Multi-Surface Brushroll. Fit for Shark IW3120 IW1120 IW1120C IW3615 Detect Pro Cordless Stick Vacuum Auto-Empty System with PowerFins Brushroll Stick Handheld 2-in-1 Filter.
- Value Pack: Contain 4 Pack Hand Vac Pre-Motor HEPA Filters. Compared to part XPRFIW1000.
- Washable And Reusable: The Filters are washable and reusable. Can be rinsed under a stream of water to remove dirt from the surface. Make sure the filter is completely dry before use. For optimal performance, it is recommended to change this filter set once every 1-3 months.
- Premium Material: Made of high-quality materials, this filter is built to last. Can capture over 99.97% of dander, dust, and hair with filtration. Covering tiny particles down to 0.3 microns. Works together to help your IW3511 Detect Pro Lightweight Cordless Stick Vacuum Cleaner and IW1111 Detect Pro Auto-Empty System Portable Handheld Attachment Vacuum Cleaner work better, and keep your room clean and comfortable. Improve the surrounding air quality and protect your health.
- Easy Installation: When it needs to be replaced, just remove and replace it from your machine equipment, no tools are required.
- B0C9FZ6RHP, B0C88CT4XB, B0D5XZVVNM, B0CQRTYGS6, B0CTD23VF7, B0D6TDZN2L, B0D6TL8Y61, B0D6TLTQ35, B0D6TGFHX8, B0D51L1VBH, B0D51CYLPM, B0D4NNKNWN, B0D4ZP95LW, B0CTBZ9QDH, B0CYC1M1DD, B0CZPGB1MV, B0CVM8XCXN, B0D8JW11WX, B0D2FLR1DJ, B0CW5CPMTT, B0D17975RW, B0CVLYJ8RV, B0D7WH6LBV, B0CVLK58KP, B0D15LVBJB, B0D15YWYMD

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand Name | PAYUDAL |
| Model Info | IW3511 Filter |
| Item Weight | 5.9 ounces |
| Product Dimensions | 2 x 1 x 1 inches |
| Country of Origin | China |
| Item model number | IW3511 Filter |
| Part Number | IW3511 Filter |
| Color | 4 Filter |
| Compatible Device | Compatible with IW3511, IW3511AMZ, IW1111, IW1111C, IW1120, BU3523, BU3521, BU3120, BU3520C, IW1120C, IW3120, IW3120C, IW1000, IW3000, IW3110C, IW3111, IW3111C, IW3615, AMZIW3615, IW3615CCO, IW1615, IW1615QBL, IW1615QBR, IW1615QGN, IW1615QPR, IW1615QSL Detect Pro Lightweight Cordless Stick Vacuum Cleaner Filter. |
| Material Type | IW3511, IW3511AMZ, IW1111, IW1111C, IW1120, BU3523, BU3521, BU3120, BU3520C, IW1120C, IW3120, IW3120C, IW1000, IW3000, IW3110C, IW3111, IW3111C, IW3615, AMZIW3615, IW3615CCO, IW1615, IW1615QBL, IW1615QBR, IW1615QGN, IW1615QPR, IW1615QSL Detect Pro Lightweight Cordless Stick Vacuum Cleaner Filter. |
| Included Components | 4 Pack Hand Vac Pre-Motor HEPA Filters. IW3511, IW3511AMZ, IW1111, IW1111C, IW1120, BU3523, BU3521, BU3120, BU3520C, IW1120C, IW3120, IW3120C, IW1000, IW3000, IW3110C, IW3111, IW3111C, IW3615, AMZIW3615, IW3615CCO, IW1615, IW1615QBL, IW1615QBR, IW1615QGN, IW1615QPR, IW1615QSL Detect Pro Lightweight Cordless Stick Vacuum Cleaner Filter. |
| Batteries Required? | No |

## Product Details

- **Brand:** PAYUDAL
- **Material:** IW3511, IW3511AMZ, IW1111, IW1111C, IW1120, BU3523, BU3521, BU3120, BU3520C, IW1120C, IW3120, IW3120C, IW1000, IW3000, IW3110C, IW3111, IW3111C, IW3615, AMZIW3615, IW3615CCO, IW1615, IW1615QBL, IW1615QBR, IW1615QGN, IW1615QPR, IW1615QSL Detect Pro Lightweight Cordless Stick Vacuum Cleaner Filter.
- **Compatible Devices:** Compatible with IW3511, IW3511AMZ, IW1111, IW1111C, IW1120, BU3523, BU3521, BU3120, BU3520C, IW1120C, IW3120, IW3120C, IW1000, IW3000, IW3110C, IW3111, IW3111C, IW3615, AMZIW3615, IW3615CCO, IW1615, IW1615QBL, IW1615QBR, IW1615QGN, IW1615QPR, IW1615QSL Detect Pro Lightweight Cordless Stick Vacuum Cleaner Filter.
- **Product Dimensions:** 1"L x 1"W x 1"H
- **Reusability:** Reusable

## Images

![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. - Image 1](https://m.media-amazon.com/images/I/71WLv7d9PlL.jpg)
![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. - Image 2](https://m.media-amazon.com/images/I/71N5b0uZvYL.jpg)
![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. - Image 3](https://m.media-amazon.com/images/I/71UadL9+r9L.jpg)
![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. - Image 4](https://m.media-amazon.com/images/I/61trfyh1sTL.jpg)
![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. - Image 5](https://m.media-amazon.com/images/I/716KeUvxucL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works just like the original!
*by D***I on June 11, 2025*

Love these filters. They fit just like the original filter does and the price is very reasonable.

### ⭐⭐⭐⭐⭐ Good quality
*by C***  on June 15, 2025*

These filters fit well, good quality and I would recommend

### ⭐⭐⭐⭐⭐ When sucking is a good thing
*by A***N on May 31, 2025*

It actually worked better than the factory filters, even though the replacement filters were slightly smaller.

## Frequently Bought Together

- 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.
- 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
- BU3523 BU3521 BU3120 HEPA Filter Replacement Compatible with Shark BU3521 Clean Lightweight Cordless Stick Cleaner, Shark BU3523 Clean and Empty Cordless Stick Vacuum, Shark Auto Empty System (1 Pack)

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---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-25*