Quickun 236 Inch Updated Crazy Air Disc Stone Cylinder Bubbler Plus Diffuser Aquarium Fish Tank Hydroponics Pump Airstones Diffuser 316 516 Hose ID Pack of 2

Package2 Pcs Cylinder Air Stones ParameterFits for 3164 mmOR 5168mm inner diameter tube Color Grey Size 2x 2 H x W Net Weight 384ozPcs 193ozPackage Specifications Jetting Volume 5 Lmin Suitable for 2040 fish tank FeatureAbundant Tiny Bubble This 2 crazy air stone will create much more abundant cascade of tiny bubbles than you can ever imagine Notice for useBEFORE USE You have to soak it in water for about 6 hours before connecting to an Air pump more than 4 W to run it MaintainClean regularly by a brush as they get clogged after weeks or months of usage Safe Washable Durable material keeps fish healthy and safe.