Perfect Fit for Shark Cordless Vacuums: Compatible with Shark BU3521, BU3523, and BU3120 cordless stick vacuum cleaners. Our HOUSEMAX filter replacement kit is precision-engineered to match OEM standards, ensuring a snug, secure fit and reliable performance every time
Shark vacuum filter Set: Includes 1 HEPA filter, 2 post-motor filters, 1 foam & felt filter, and 1 cleaning brush. This all-in-one set provides a full replacement solution, helping you maintain optimal suction power and cleaner air with fewer purchases and less hassle
Captures 99.97% of Fine Dust: Our premium HEPA filter captures up to 99.97% of particles as small as 0.3 microns — including dust and pet dander — making it perfect for homes with pets, allergies, or sensitive breathing environments.
Easy to Replace & Clean: Designed for quick, tool-free installation and easy maintenance. Use the included cleaning brush to extend filter life and keep your vacuum running at peak performance. Replace filters every 2–3 months for best results
Trusted Quality by HOUSEMAX: Backed by the HOUSEMAX commitment to quality and customer satisfaction. Made from durable, high-efficiency materials, our filters are rigorously tested to ensure long-lasting performance
Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.
✨Is free shipping available?
We do not currently offer free shipping. However, this may be added at some point. We apologize.
✨How can I get a tracking number for my order?
If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.
✨How do I process a return or exchange?
For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
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