Therwen 24 Pack Aquarium Air Stone for Ponds Bubbler 2 Inch Ball Shape Bubble Release Tool Oxygen Diffuser for Fish Tanks Buckets Hydroponics Pond Air Pump Accessories, Dark Blue

Features

• Package Content: air stones ball comes in packs of 24, offering you a wide range of options for placement in different aquariums, with enough for daily use and replacement, so you don't always have to worry about running out of these stonesF
• Suitable Size: air stone balls are approx 2 inches/ 50 mm in diameter and can produce a large number of dense air bubbles, have the right size for a variety of tanks or ponds, a large injection volume of 25 L/min, and can be compatible with a diameter of 3/16" or 3/8" water tube, suitable for use with air pumps with power over 5W
• Quality Material: bubble stone for aquarium fish tank are mainly made of mineral, which are durable, well constructed, safe, reliable, and reusable; They can produce continuous air bubbles for fish breathing, effectively promoting water circulation and providing a better living environment for fish and other water creatures
• Ball Shape Design: the ball shape design and the dark blue color allow the bubble stone to blend with many aquarium decorations and can remain stable in the water, making them ideal aquarium accessories
• Wide Occasions: air stone bubbler is ideal for fresh and saltwater environments such as fish tanks, ponds, aquariums, hydroponic systems, and more, helping increase oxygen levels, thus improving water quality to a certain extent and allowing fish and plants to grow healthier and stronger