Aquarium Air Stone Disc 4 inch, Aerator Bubble Differ, Air Pump Accessories Airstones for Aquariums, Fish Tanks,Hydroponics,and Ponds

Widely applicable: Suitable for hydroponic systems, circulation systems, aquarium fish tanks, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth

Material: Durable and sturdy material, safe to your fish

Dimension: 4.1" D x 0.8" H; Fits standard airline tubing aquarium and CO2 tubing with inner diameter of 3/16"; Recommend air pump power > 4 W

Stable in water: The 3 suction cups can be attached to the tank, keeping it stable in water when bubbling

Easy to e: Soak the air stone in water for about 1 hour before connecting to an air pump to run it; Clean it regularly as it gets clogged .

Returns, Refunds, and Replacements Products that are received faulty, damaged, or not as described are eligible for a return, refund, or replacement in accordance with the Australian Consumer Law (ACL). We are committed to ensuring all products meet the standards of quality and reliability expected by our customers. However, please note that we do not accept returns or provide refunds for change of mind. We encourage you to carefully consider your purchase to ensure it meets your needs and expectations.

Delivery Timeframe

Please note that we cannot guarantee the exact date of arrival, and the delivery timeframes (excluding weekends and public holidays) are as follows:

For customers in Victoria, approximately 7-10 working days; For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days; For customers in WA, NT, and TAS, approximately 9-12 working days.