SuperFish Ceramic Air-Stones are long-lasting and versatile. Made from high quality, refined ceramic compound, they last longer than sandstone air stones, and provide very fine aeration.
• Large flat air stone disk for adding large amounts of oxygen to ponds or aquariums
• Metal hose connection for 8mm airline
• Approx 200mm / 8” in diameter across the ceramic face, surrounded by black plastic to help prevent deterioration
• Weighted to sink
• Requires air pump with minimum output of 20 LPM