For HF3 / 3649A Models: your vacuum operates at with our replacement Hepa filters designed specifically for HF3 / 3649A models. These filters maintain optimal suction and filtration, capturing fine dust and . High-Efficiency Filtration: Our Hepa filters offer superior filtration, trapping 99.97% of particles as small as 0.3 microns. Ideal for households with pets or allergies, they a cleaner, healthier environment by reducing airborne irritants. Easy Installation and Maintenance: These filters are designed for a , making them easy to install and replace. Regular replacement every 3 to 6 months is recommended to maintain optimal performance, depending on usage. Safe and Eco-Friendly: Made from high-quality, materials, our Hepa filters are free from harmful chemicals, ensuring safety and your family. They are also designed to -friendly, reducing environmental impact. Enhanced Vacuum Performance: By regularly replacing your vacuum's filter with our high-quality Hepa filters, you can maintain its efficiency, prolong the vacuum's lifespan, and consistent performance for all your cleaning needs. Color: As shown Material: plastic Package Contents: 4*HEPA Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.