Wholesale Aquarium External CO2 Diffuser – 20mm & 28mm Round Glass
Premium borosilicate glass construction for superior durability and clarity, resistant to high pressure and chemical corrosion. Precision-engineered porous ceramic disc creates ultra-fine CO2 bubbles, maximizing dissolution efficiency for optimal plant growth. Universal compatibility with 20mm and 28mm tubing, seamlessly integrates into freshwater planted tanks, shrimp habitats, and high-tech aquascapes. Sleek, compact design with reinforced silicone sealing ring prevents leaks, ensuring silent operation and long-term reliability. Ideal for professional aquarists and bulk buyers – wholesale pricing available for large orders, backed by global logistics support.