1、[Perfect Fit] Designed for Ridgid VF3500 3 to 4.5 Gallon vacuum cleaner, this filter is precisely matched to the equipment, ensuring a perfect fit. 2、[Essential Filtration] This replacement filter effectively filters out dust, stain, and impurities sucked into the machine, keeping your vacuum clean and extending its lifespan. 3、[Improved Air Quality] By reducing the penetration of dust, pollen into the air you breathe, this filter contributes to a healthier and cleaner living environment. 4、[Optimal Performance] With this high efficiency particulate air filter, you can maintain optimal performance from your vacuum, ensuring efficient filtration. 5、[Easy to Replace] The filter is easy to detach and replace, making maintenance a breeze and keeping your vacuum in good condition with minimal effort. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.