Quality Nanomaterials:Our disc is made of nanoscale material.Bubbles are more subtle and more stable.ABS+ceramic material, resistant to acid and alkali, the surface of the disc is smooth and delicate, is gentle with fish, a faithful companion who cannot harm the fish

Buy one and get seven(six wall control accessories):1*1.4 inch air stone+1*check valve+3ft tube+1*Y-connector+1*8 to 4 reducer+2*suction cups(Does not include air pump)

An 2W air pump is required:If the outgassing of nano air stone is weak, please use a higher-power air pump.

Before use, let air stone to maintain 45 degrees, the air inlet in the upper, into the water, soak for 24 hours. Then connected to the air pump to use, will get the best results.

Recycling: Clean air stone twice a month to get better effluence and prolong the service life of the air stone and air pump.