HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Nano Bubble Air Stone Bar For Aquarium Fish Tank Pond Dwc Hydro System – 30Cm Features: Produces Ultra-Fine Nano Bubbles To Effectively Increase Oxygen Levels In Water Creates A Dense And Visually Appealing Wall Of Bubbles For Aquariums And Fish Tanks Helps Promote Healthier Fish Aquatic Plants And Root Systems In Dwc Hydro Setups Made From High-Quality White Corundum Stone For Consistent And Long-Lasting Performance Extra-Wide 3.7Cm Design Generates Larger Bubble Coverage Than Standard Air Stone Bars Low-Profile Flat Shape Allows Discreet Placement Under Substrate Or Decorations Suitable For Aquariums Ponds Hydroponics Systems And Water Features Easy To Connect To Standard Air Pumps Using Common Airline Tubing Includes Suction Cup And Clip For Secure Positioning Inside The Tank Specifications: Product Type: Nano Bubble Air Stone Bar Length: 30Cm Width: 3.7Cm Material: White Corundum Stone With Plastic Casing Colour: White Inlet Size: Fits 4Mm Air Hose You Will Receive: 1 × Nano Bubble Air Stone Bar (30Cm)