Engineered with design, the interchangeable filter combines cost effectiveness with environmental responsibility through its construction and reduced waste generation Designed for A9T/A9K/A9+ vacuum cleaners, this filter captures 99.97% of microscopic particles including pollen, ensuring cleaner air for allergy sensitive households Crafted with washable nonwoven fabric, the filter extended 6 month durability and maintains airflows through easy maintenance, reducing replacement frequency Perfect for thorough cleaning across hardwood floors, upholstered furniture, car interiors, and areas while maintaining consistent suction power and containment efficiency Ideal for pet owners, allergy sufferers, and families prioritizing indoor air this essential vacuum cleaners part safeguards against airbornes irritants during routine cleaning tasks