Pawfly Aquarium Air Stone Ball 2 Inch, Airstones for Aquarium Fish Tank Bucket Pond and DWC Reservoir, 2 Pack

Features

• Medium Bubbles: The air stone produce abundant dense bubbles. A great bubble diffuser to increase oxygen solubility in your aquarium and enliven the aquatic lives.
• Airstone Model: ASB050; Jetting volume: 5 L/min; Recommended air pump power: > 4 W; Standard ID airline tubing: 3/16" or 3/8". Well-built and efficient for long-time service.
• Reliable Material: This air stones are made of mineral material and sintered at a high temperature. As essential air pump accessories for aeration in aquariums, DWC systems or ponds. Keep fish or roots growing healthily.
• Stable in Water: Each airstone ball measures 2" in diameter and weighs 3.75 oz. Well weighted to sink to the bottom and lie stably in your tank without floating up.
• Easy to Use: Soak the bubble stone completely in water for 1 hour before use. Clean it regularly with a brush as it gets clogged after weeks or months of usage.