Guaranteed Compatibility: This activated carbon filter is designed for RIGOGLIOSO/JINPUS GL2103/LTLKY 900S models, ensuring a perfect fit and easy installation. Before purchasing, please check your air purifier model to confirm compatibility. Advanced Filtration Technology: These filters are engineered to maintain the efficiency of your air purifier, 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 of durable materials, these filters not only support environmental sustainability, but also ensure that your air purifier runs at optimal efficiency for longer. Basic Air Purifier Maintenance: Replacing old or damaged filters is essential. These durable air purifier 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 air purifier maintenance. Function: Consumables Use environment: Home use Material: Composite material Color: As shown Package Contents: 4 x 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.