COOMATEC 2 Pack 4 Inch Silent Air Bubble Stones for Fish Tanks – High Dissolved Oxygen Bubble Stones for Aquariums and Hydroponics Systems, Ideal for 30-100 Gallon Tanks

Features

• 【Super High Dissolved Oxygen Rate】 This high-quality fish tank bubbler, recognized for its super high dissolved oxygen rate, can effectively enhance the oxygen content in water and produce abundant micro-bubbles, thereby increasing the oxygen concentration in your aquarium or fish tank, which is more conducive to the health of aquatic creatures. Our air bubble stone also can effectively enhance the oxygen content in your hydroponics growing system, increase oxygen levels, lower CO2 and raise PH.
• 【Super Silent Air Bubble Stone】Our Silent Air Bubble Stone features an exceptional low-noise design. It operates smoothly with evenly distributed bubbles and fine pores to reduce noise during operation.While providing outstanding air distribution, our aquarium bubbler ensures nearly silent operation, adding serenity to your aquarium or pond. Our aquarium air bubble stone offers you a more peaceful living environment, free from noise disturbances, allowing you to focus more on your work or rest.
• 【Adjustable Air Bubble】Our unique air bubble stone set provides a two-way control valve to fine-tune the size and number of bubbles. The adjustable air bubble intensity can be adjusted according to the size of your aquarium and the needs of your aquatic creatures, providing the precise bubble size and number you need. It can help you create a more natural, healthier aquarium environment, optimize water quality, promote the healthy growth of your aquatic creatures.
• 【Wide Compatibility】Uniquely designed with your convenience in mind, our Aquarium Air Bubble Stone supports both Standard ID 3/16 inchand 3/8 inch air tubes. Due to our innovative bottom boost design, our Air Bubble Stone has a lower wattage demand compared to common air bubble stones on the market. This directly translates into cost savings on your electricity bills and longevity for your air pump. Recommended air pump power: > 3W. Jetting volume: 12L/min. Fit for 30 - 100 gallon freshwater and saltwate tanks.
• 【 Ultimate Bubble Stone Sets】By using our bubble stone set, you will save time and effort without having to worry about how to choose and configure various accessories. Our ultimate airstone Sets include 2 pcs 4 inch Air Disk Stone, 1 pcs 79 inch Airline Tube, Product Manual, 2 pcs Check Valve, 2 pcs Control Valve, 2 pcs 8mm-4mm Reducer, 2 pcs T Connector, 2 pcs Suction Cup for Airline Tube, 6 pcs Double Sided Suction Cup for fixing Air Disk Stone. (Notice: the air pump is not included).