Features: Engineered for HF3/3649A floor scrubbers, this high efficiency filter uses multi layer filtration to captures 99% of dust, hair, and allergen, ensuring optimal vacuum performances and cleaner air output. Featuring filtration precisions and synthetic construction, the washable filter lasts 6+ months while resisting heat/wear for consistent suction power in demanding environments. Designed for homeowners, commercial cleaners, and allergy sensitive users needing stable filtration for frequent cleaning tasks across multiple surfaces. Perfect for maintaining hygiene in homes, offices, hospitals, and other areas with carpets, hardwood, or flooring requiring thorough dirt removal. Outperforms paper filters with resistant, compression proof design that prevents breakdowns and maintains airflows efficiency across extended use cycles. Specifications: Component: Plastic+Sponge Applicable Model: For HF3/3649A Size: As Picture Shows Package Includes: 4x Floor Scrubber Filter 4x Floor Scrubber Cotton note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.