LONDAFISH Aquarium Air Stone Disk Tray Aquarium Oxygen Pump Sand Stone Bubble for Fish Tank High Tem
Durable: The bubble plate with high temperature made and the fine bubbles can increase oxygen levels, lower CO2 and raise PH, it also can be easily washed for re-use.
Strong Compatibility: Round fish tank bubble sand round disk fits for 4mm or 8mm inner diameter tube.
High Material: The airstone disk uses finely compressed material and the bubble is small and bubble is concentrated at one surface.
Adjustable Atmospheric plate:Adjustable bubbles, the smaller the volume, the smaller the bubbles. Weight enough to sink in the bottom, no need suction cups.
Application: Aquarium Air Stone ideal for freshwater, saltwater aquariums, hydroponic, or in aqua farms, aqua cultures.