Air Stone ø40×220mm HB-018

The HB 018 air stone, likely referring to an air stone for aquarium use, is a device that diffuses air into the water, providing oxygen for fish and other aquatic life. It's also used in hydroponic systems and circulation setups. These stones are typically made of materials like nano-pierre or ceramic, sintered at high temperatures, making them sturdy and durable. They produce fine, dense bubbles, increasing the surface area for oxygen absorption and improving oxygenation.