General description Replacement filter set for Bissell 2037913/32R9 Power Force & Helix Turbo, designed to maintain optimal performance of your vacuum cleaner. Made from high-quality materials, these filters are durable and perfectly matched to the equipment. Regular replacement of these filters helps keep your home robot at peak performance, reducing the infiltration of dust, pollen, and other allergens into the air. Technical specifications Package Contents: 4 X Vacuum Cleaner Filter Material: Plastic Color: As shown Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtering effect, it is recommended to replace the cleaning accessories every 2-3 months, depending on the frequency of use. The HEPA filter can improve air quality and reduce particle size by up to 99.97%, effectively removing household dust, pet dander, and more. The pre-filter also helps reduce unpleasant odors from pets, smoke, cooking fumes, and various household products and chemicals.