General description vhbw offers a high-quality filter set designed specifically for Hoover U81 vacuum cleaners. This 4-part set provides a quick and easy solution for replacing your vacuum's filters, ensuring optimum suction capacity and filtration performance for excellent cleaning results. Technical specifications Set includes: 2x Exhaust Filters and 2x Pre-Motor Filters with Foam Insert Exhaust Filter dimensions: Height: 2.8 cm, Length: 15.3 cm, Width: 7.1 cm Pre-Motor Filter dimensions: Diameter: 15.9 cm, Height: 2.82 cm Exhaust Filter color: White with blue frame Pre-Motor Filter color: White with blue frame and black foam insert Washable filters Compatibility and accessories Compatible with Hoover U81 Replacement for Hoover part number 35601724 Installation Exhaust Filters are installed in front of the motor Pre-Motor Filters are also installed in front of the motor Usage Filters help keep out insects, pollen, and coarse dust Pre-Motor Filters protect the motor against impurities