Pawfly Aquarium 1.5 Inch Air Stone Disc Bubble Diffuser Release Tool For Air Pumps Fish Tanks Buckets Small Ponds And Dwc Reservoirs, 4 Pack

Medium Bubbles: The air stone disc produces abundant dense bubbles. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives. Model: ASD-040; Jetting volume: 2 L/min; Recommended air pump power: 2 W – 4 W; Standard ID airline tubing: 3/16. Fit for use in fish tanks aquariums and small ponds. Reliable Material: Made of mineral material and sintered at a high temperature. Great for aeration in a DWC reservoir. Help keep fish or roots growing healthily. Stable in Water: Each disc measures 1.6 D x 0.7 H and weighs 1 ounces. Its round and flat shape always allows it to sink to the bottom and lie steadily in the tank. Easy to Use: Soak the stone completely in water for 1 hour before use. Clean it regularly with a brush as it gets clogged after weeks or months of usage.