hygger Silent Aquarium Air Stones, Fish Tank Aerator Bubble Stone, Air Pump Accessories for Aquariums Kit for Aquarium Fish Tank and Hydroponic (4PCS(H 1.25in,Dia1.1in))

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MATERIAL: Made of high-hardness Brown Fused Alumina, sintered at 1000°C, it's exceptionally wear-resistant and durable
ADVANTAGES: It withstands deep water pressure without deformation or cracking, and produces a stable, fine, and even bubbles
MORE SILENT: After testing, the same air pump with our nano air stone is quieter and lower in decibels than with other ordinary air stones
FINE BUBBLES: This nano air stone creates fine bubble stream, delivering a high dissolved oxygen rate for fish aquatic tanks. Crafted for lasting performance, it's both durable and reusable, making it an efficient and reliable choice
Product Includes (Nano Air Stone + Mini Sticker): Quantity: 4PCS; Unit Size: High 1.25in,Dia 1.1in; Unit Weight:1.16oz. Please note that the two models(4PCS and 6PCS) have different sizes and quantities of air stones