Corrosion Proof Coarse Bubble Diffuser is suitable for large mixing and equalization tanks. The Coarse Bubble Diffuser has finely divided air bubbles, which ensure freedom form common clogging problems. The Coarse Bubble Diffuser is designed with plastic diffuser base and needs less maintenance. Corrosion Proof Coarse Bubble Diffuser is fitted with disc that ensures hassle free operations with minimal corrosion problems.