1. [Authoritative Certification] The filter has been certified twice by NSF] IAPMO. It contains no NSF [42 and 372 lead-free, filters 99% of chlorine, has odor, and significantly improves the taste of water. It has also passed the certification of European TV, ROHS, REACH, BPA free, and Australian water standards. Only products with relevant certification are selected for your loved ones. 2. [Compatible Filter Element for Saeco] The Gaggia coffee machine and espresso machine are equipped with Aqua Clean filter elements CA6707/10, CA6903/00, CA6903/01, CA69003/99, CA6909-00, CA6803-01, CA6603-99, and CA6803. You can use CTRL and F ?�� Enter the model to be searched to check the exact matching model. 3. [Innovative Multi-layer Filtering Integrated Form Technology] This multi-layer technology provides different filtering efficiency when filtering various impurities. The 0.5|��m inner layer is effective for 99.99% of cysts and meets the Grade I special reduction standard. This filter contains useful minerals in the water that are beneficial to your health. 4. [High-quality Filter Material] Food grade, no resin, no sodium, reduces scale deposition, softens water, and is healthy.