PMTFUMY Fish Tank Air Stones 6 Pcs Air Stone for Fish Tanks Aquarium Air Stone fish tank air stone Easy to Sink Air Stone Ball Bubble Diffuser for Fish Tanks Ponds and Small Buckets

• Bubble effect: Our pond gas stone is made of high-density silicon carbide fired, and the external fine sand emits dense gas with a large aeration rate.
• High quality materials: Bubble stones are fired from high-temperature materials and have the characteristic of being hard, resistant to falling and unable to remove sand. They are very suitable for fish tanks and promote the healthy growth of fish and algae inside.
• Installation and maintenance: Our bubble stone is easy to install, with a diameter of 4mm. Simply insert the air tube and clean it regularly with a brush, otherwise it may clog easily.
• Widely applicable: Our bubble stone can be used in a series of scenarios such as fish tanks, small buckets, aquariums, ponds, etc. It can meet the feeding function.
• Gas stone size: The diameter of the gas stone is 2.5cm/0.98in, the diameter of the insertion tube is 4mm, and the recommended air pump power is about 2.5W

Product description Material: Fine sand Color: Grey Size: The diameter of the sphere is 2.5cm/0.98in Package includes: 6 bubble stones Product details: High quality materials: Bubble stones are fired from high-temperature materials and have the characteristic of being hard, resistant to falling and unable to remove sand. They are very suitable for fish tanks and promote the healthy growth of fish and algae inside. Bubble effect: Our pond gas stone is made of high-density silicon carbide fired, and the external fine sand emits dense gas with a large aeration rate. Installation and maintenance: Our bubble stone is easy to install, with a diameter of 4mm. Simply insert the air tube and clean it regularly with a brush, otherwise it may clog easily. Widely applicable: Our bubble stone can be used in a series of scenarios such as fish tanks, small buckets, aquariums, ponds, etc. It can meet the feeding function. Gas stone size: The diameter of the gas stone is 2.5cm/0.98in, the diameter of the insertion tube is 4mm, and the recommended air pump power is about 2.5W Directions Suitable for teenage guitar beginners