uxcell 5 Piece Plastic Aquarium Airstone Diffuser Air Tube, Multicolor, 4mm
- Stone Size: 15 x 42mm / 0.6" x 1.7"(D*H).
- Made of mineral material, it effectively create water currents and dazzling underwater scenes..
- Creates bubbles in fish tank while attached to an air pump(Not Included)..
- An ideal tool to add oxygen to your hydroponic growing system..