Size: 33 x 20mm / 1.3" x 0.79" (H*D); Material: Plastic,Mineral; Net Weight: 92g; Interface Dia: 4mm / 0.16" Increases oxygen and lowers CO2 levels. An important accessory to keep aquatic fish for respiration process. Create an abundant cascade of small to tiny bubbles rather than a limited number of larger bubbles. Suitable for tanks, ponds, aquarium and hydroponic use.

Size: 33 x 20mm / 1.3" x 0.79" (H*D); Material: Plastic,Mineral; Net Weight: 92g; Interface Dia: 4mm / 0.16" Increases oxygen and lowers CO2 levels. An important accessory to keep aquatic fish for respiration process. Create an abundant cascade of small to tiny bubbles rather than a limited number of larger bubbles. Suitable for tanks, ponds, aquarium and hydroponic use.