Guaranteed Compatibility: This filter is designed compatible Hoover HG4 Hydro Pro / compatible 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 compatible 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 compatible 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 every time you use it. Optimize Per compatiblemance with Regular Replacement: To maintain optimal per compatiblemance, 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 : 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.