8 Inch Air Stone Disc with Shell and Sucker for Hydroponics Aquarium Tank roto and Class A3 (nontoxic

and Class A3 (nontoxic

[Specifications]:

[Features]: Ideal bits for drilling in plywood

Two angled side necks

8 Inch Air Stone Disc with Shell and Sucker for Hydroponics Aquarium Tank roto and Class A3 (nontoxic[MATERIAL]: Made of silicon carbide. [SPECIFICATION PARAMETERS]: Diameter: 8inch; Pump power: 16W; Size 20 * 20 * 3cm; Flow rate 28L min; suitable for 8mm inner diameter pipe. [BUBBLE UNIFORMITY]: The air is evenly distributed in the whole stone area to make the bubble size uniform, which is conducive to animals and plants absorbing oxygen. Bubbles size between 300 500 microns. [APPLICATION]: These air stone aerators can generate tiny bubbles to