
Double Panel Type Waterproof Plastic Mesh Cover Axial Filter Dust-Proof Air Filter. Tool-Free Filter Replacement: Buckle-pull rotating ventilating grilles allow quick filter wool changes without tools. Customizable Design Options: Capable of manufacturing different sizes, voltages, colors, and specified designs. Rust-Proof Stainless Steel: All stainless steel nuts effectively prevent rust for long-term durability. Flame Retardant Material: ABS material with UL94-V0 flame retardant rating for enhanced safety. IP54 Dust and Water Protection: Rated IP54 to ensure protection against dust and water jets. Flexible Installation: Multi-hole nuts allow combination with various fan sizes and models. One Year Warranty: Comprehensive one-year warranty coverage for all customer products.