DescriptionAre you looking for a professional, yet affordable air bubble stone? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our air bubble stone must meet your needs. It is one of the best choices for you.Features-Color: Grey-Material: natural fine sand -Size: 6.00X6.00X1.80cm/ 2.36X2.36X0.71in - Adopt super hard natural stone, after high temperature sintering, good air dispersion, good filterability, ozone and corrosion resistance- The material is sturdy and durable, and can be washed repeatedly and used for a long time.- Suitable for ornamental fish and large-scale fish breeding- Can be given as a present to your fish owner family and friend.- Note: please soak this air stone in water for 1 hour before use.
