
Premium Virgin HDPE φ11X7mm Biofilm Carrier for Wastewater Treatment Applications. 100% Virgin HDPE Material: Constructed from high-density polyethylene with UV stabilization and food-grade safety. High Surface Area Efficiency: Features over 900 square meters per cubic meter with 4 internal cross-channels for optimal biofilm growth. Extended Service Life: Designed for a lifespan exceeding 15 years under continuous motion and harsh conditions. Versatile Application Scope: Suitable for industrial, home, agriculture, and hospital wastewater treatment systems. Robust Cylindrical Design: Vertical striations enhance hydrodynamic mixing and nutrient diffusion for efficient ammonia removal. Comprehensive Warranty: Includes 3 years of after-sales service and warranty coverage for all mechanical defects. High Carrier Density: Supports over 930,000 carriers per cubic meter with a flexible filling ratio of 15%-68%.