Round Air Stone Disk Bubble Diffuser Airstone Hydroponics Aquarium Fish Tank - 4cm Indoor Lighting It comprises of outer rim

It comprises of outer rim design

Material: Powder-coated iron frame + ceramic seat

This accent table is handmade out from rough mango wood

Internal wiring applies the high efficient booster circuit

Round Air Stone Disk Bubble Diffuser Airstone Hydroponics Aquarium Fish Tank - 4cm Indoor Lighting It comprises of outer rim1x Air Stone Instructions for use: 1. The product should be left to soak in water for 15 minutes before use. 2. The long term use producing dirt blockage would reduce the bubble; take it out to clean for repeated use. Bubble stone, made by high temperature, durable, good at increasing oxygen levels, high quality filtering, widely used at: (1) fish farms to the eutrophic water environment oxygen, biological cultivation of oxygen. (2) oxygenation in the