Horisea Carborundum Air Stone – Aquarium Air Diffuser

Horisea Carborundum Air Stone is a high-porosity silicon carbide (carborundum) diffuser to create uniform microbubbles.

• Efficient oxygenation for aquariums and ponds
• Clog-resistant and easy-to-clean material
• Standard connection for ventilation pipes

Available in models HB‑020 and HB‑021.

• HB‑020: 50mm x 200mm
• HB‑021: 50mm x 300mm