AQUANEAT Aquarium Air Stone 4x2 inch 2 Pack, Large Airstone, Aerator Bubble Diffuser, Air Pump Accessories for Aquariums, Hydroponic, Ponds and Fish Tanks
Widely applicable: Suitable for hydroponic systems, ponds, aquarium fish tanks, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth
Air Stone Dimension: 2 "D x 4" H;Fits for 3/ 16 inch standard airline tubing
Recommended a high-output air pump at least 7W-10W or a commercial air pump
Quality and safe materials:made of mineral and washable material,safe to your fish
Note: soak the stone completely in water for 2 hours before use; clean it with a brush after a period time of use
