'The SubFlo Diffuser D is the perfect solution for even oxygen distribution and effective water circulation, even in deeper water bodies. Its flow-optimized design, combined with the high-performance EPDM diffuser hose, generates ultra-fine air bubbles that decrease in size as pressure increases – ensuring maximum gas diffusion even at great depths. The specially engineered design accelerates the rising bubbles, creating highly efficient mixing from the waterbed to the surface. The robust EPDM structure resists deposits, contamination, and aging, ensuring long-lasting reliability. Connection to the SubFlo Base 2 D or 4 D underwater aerators is effortless, and on-site filling with sand or gravel securely anchors the diffuser to the waterbed. High-quality stainless steel components and integrated strain relief make the SubFlo Diffuser D exceptionally durable and maintenance-friendly.