Key Features

• Compatible Model:This replacement filter set is designed for Shark clean lightweight cordless vacuum models BU3523,BU3521,and BU3120.Please confirm that your machine model matches one of our compatible products before purchasing
• HEPA Filtration:Captures 99.97% of dust and fine particles,improving indoor air quality,thanks to high-toughness HEPA filter paper and durable ABS material
• Washable&Reusable:Rinse filters with water,air-dry thoroughly,and reuse! (Replacement Tip:Spare parts should be replaced every 2 to 3 months depending on how often you use your machine to keep it at peak performance)
• Filter Set:Includes HEPA filter,pre-motor filter,and foam filter to protect your vacuum’s motor,maintain strong suction,and ensure efficient debris trapping
• Easy Installation:No tools needed! Simply remove old filters and snap in the new ones.Hassle-free replacement

Specifications