Pawfly Aquarium 4 Inch Air Stone Bar Bubble Diffuser Release Tool with Suction Cup Clip Accessories for Nano Air Pumps Small Buckets and Fish Tanks, 2 Pack

• Model: AWB-100. jetting volume: 2.5 L/min. recommended air pump power: > 2 W. standard ID airline tubing: 3/16 inch. Ideal for small fish tanks or aquariums. 2 Bubble Effects: Produce a cascade of fine bubbles under less air input and medium bubbles under strong input. Both form a rectangle bubble wall to increase oxygen level in your aquarium. Small but Enduring: Each bar measures 4" L x 1.5" W and weighs 1.3 oz. Come with an extra suction cup clip which keeps it lying steadily without floating in the water. Reliable Material: Made of mineral material and sintered at a high temperature, it causes no effect to the health of your aquatics. Help keep your fish growing healthily. Easy to Use: Soak the stone completely in water for 1 hour before use. Clean them regularly with a brush as they get clogged after weeks or months of usage.