Pawfly 4-inch Air Stone Disc Adds Oxygen To Your Hydroponic Growing System, Energizes The Growing Solution As It Aerates & Circulates Nutrients, Extends The Life Of Your Nutrient Solution, Helps Keep Roots Healthy & Promotes Exceptional Growth.

Please soak the air stone in water for about 30 minutes before usage. After a long-term usage, clean your stone regularly so that it will be most effective.

Net Weight: approx. 7.5 ounce (213g). Package Included: 1 x Air Stone, 3 x Suction Cup.

• Pawfly 4-inch air stone disc is a great way to add oxygen to your aquarium, fish tank, hydroponic and circulation system.
• MODEL: ASD-100. Jetting Volume：12 L/min, suitable for approx. 15.7-39.4 inch fish tank. Max pressure 0.012 MPa, Using this with an air pump big than 4 L/min
• Fits for 3/16" / 4 mm inner diameter tube. Recommended Air Pump Power: 4 W-8 W. Measures 4-inch width by 1-inch height.
• Safe, Washable & Durable, Non-toxic material keeps fish healthy and safe.
• Comes with 3 easy-mount suction cups to make it easily suck in the smooth aquarium.