1. This 304 stainless steel coffee filter is a reusable, eco-friendly solution for pour-over coffee brewing, eliminating the need for disposable paper filters. Featuring a dual-layer design, it ensures smooth extraction and near-zero residue for a clean, flavorful cup every time. 2. Dual-Layer Precision Filtration: Outer layer: Dense stainless steel mesh for coarse filtration. Inner layer: Ultra-fine gauze fabric traps 99.9% of coffee grounds. 3. Premium 304 Stainless Steel Construction: High-grade, food-safe material ensures durability and rust resistance.0.6mm thickness balances sturdiness with lightweight portability. 4. Multi-Size Capacity Options: Available in three sizes: 1-2 cups (personal use), 2-4 cups (small gatherings), 4-6 cups (family/group brewing). 5. Mirror-Polished Surfaces: Internal and external mirror polishing, not easy to leave stains, easy to clean. 6. Versatile Use: Ideal for pour-over coffee, loose-leaf tea, or herbal infusions. 7. Care instructions: Clean with neutral detergent; avoid high-temperature water contact to prevent burns.