High Quality Cost Effective Molten Aluminum Filtration Silicon Carbide Cast Filter 305X305X50mm. Silicon Carbide Material: Made of high-purity Silicon Carbide for superior filtration performance. High Porosity Structure: Features 80-90% porosity with open pore reticulated structure to trap inclusions. Wide Temperature Resistance: Operates at working temperatures up to 1500 degrees Celsius. Customizable Sizes: Available in sizes ranging from 30mm to 500mm to fit various needs. Multiple PPI Options: Offers hole densities from 10 to 40 PPI for different filtration requirements. Versatile Application: Suitable for filtering molten iron, copper, brass, aluminum, and alloys. 24 Months Warranty: Comes with a comprehensive 24-month warranty for quality assurance. ISO Certified: Manufactured with ISO certification ensuring high quality standards.