4Pcs Small Round Air Stones For Aquariums Oxygen Diffuser 4/6/8/10/12/15cm Size:8cm moisturizer and pre-prime without any

moisturizer and pre-prime without any problem on your skin

3cmFeatures:Design: Blooming elegantly and beautifully

special place

The battery compartment is designed with a thick sealing rubber ring

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4Pcs Small Round Air Stones For Aquariums Oxygen Diffuser 4/6/8/10/12/15cm Size:8cm moisturizer and pre-prime without anySize: 4 6 8 10 12 15cmFeatures: This air stone for hydroponics is made of silicon carbide, which has no effect on the growth of fish and hydroponics, but also promotes it. Round cake design. Small size very easily be hidden under the water. It won't move when it's working. Soaking the air stone in water for one hour before use. Brush the stone surface every 2 weeks, you will find that he can accompany you for a long time and save a lot of money. We