Aquatop Trapezoid Air Stone Blue, 1ea/4 in

ADDITIONAL FEATURES Product Gross Weight: 0.2500 lb Product Net Weight: 0.2500 lb Product Height: 1.00 in Product Length: 1.00 in Product Width: 4.00 in INSTRUCTIONS Use Instructions: Simply attach to air pump using airline tubing and place in your desired location within your aquarium. May be buried under gravel. SPECIFICATIONS Compatible With: Air Pump With LED: No Easy to use Air Stone. Simply attach to air pump using airline tubing and place in your desired location within your aquarium. May be buried under gravel.