VIVOSUN Air Stone Disc 4 x 4 Inch with Shell and Sucker for Aquarium Fish Tank and Hydroponics Air Pump

Fine Bubbles The air stone disc produces lots of dense fine bubbles A great way to oxygenate your hydroponic growing systems ponds aquariums and enliven the aquatic life Size 4 4 D x 08 H Recommended air pump power 4 16 W Standard ID airline tubing 016 4 mm 3 strong suction cups easily fix it in the smooth aquarium Durable Material Made of mineral material and sintered at a high temperature The material is sturdy and durable which is safe to your fish ExtenEasy to Use Soak the stone completely in water for 2 hour before use Clean it regularly with a brush as they get clogged after weeks or months of usaged the life of your nutrient solution help keep fish roots healthy and promote plant growth Widely Applicable Fit for hydroponic systems ponds aquariums or fish tanks and other systems.