2PCS 4" Aquarium Air Stone Disc with 3 Suction Cups, Bubble Diffuser for Fish Tanks, Water Tanks & Hydroponic Systems

About this item

• Wide Application: Zihvfzu air stone disc helps improve aquatic living conditions by increasing oxygen levels. Ideal for aquariums, hydroponic circulation systems, small ponds, and more
• 4-Inch Large Disc: The wider surface area produces a high volume of fine bubbles while reducing the chance of aquatic animals accidentally swallowing the stone
• Premium Materials: Made of durable ABS plastic and high-temperature sintered silicon carbide. Safe, non-toxic for aquatic life, and built for long-lasting performance
• Easy Installation: Zihvfzu air stone disc equipped with 3 suction cups for secure attachment and stable operation. Recommended air pump power: over 4W; compatible tubing inner diameter: 3/16"
• Usage Tip: Before first use, fully soak the air stone in water for 1–2 hours. If clogging occurs after extended use, simply clean it with a brush to restore performance