Guaranteed Compatibility: This filter is designed For Hoover HG4 Hydro Pro / for Hoover HG4 Hydro series models, ensuring a perfect fit and easy installation. Advanced Filtration Technology: These filters are engineered to maintain your vacuum's efficiency, reduce dust and allergen penetration, and improve the air quality in your home. Perfect for homes that require high air purity. Eco-Friendly and Durable: Made from durable materials, these filters not only support environmental sustainability, but also ensure your vacuum runs at optimal efficiency for longer. Basic Vacuum Cleaner Maintenance: Replacing old or damaged filters is essential. These durable vacuum cleaner accessories help extend the life of your machine, ensuring it's like new every time you use it. Optimize Performance with Regular Replacement: To maintain optimal performance, replace your filters every 2-3 months depending on usage. These filters are easy to remove and install, and are an important part of daily vacuum cleaner maintenance. Function: Consumables Use environment: Home use Colour:As Shown Material:Plastic Package Contents: 12 * 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.