Top quality grey air stones hardened in the oven at 1300°C. The stones are very fine-pored for optimal ventilation. Non-corrosive and shock-resistant. Areas of use: oxygen, air, sea water and ozone in ponds, growing systems and medical areas. Spout: 9 mm.
Additional information
Weight | 1.37 kg |
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brand | Angel Aqua |
dimensions | 20 x 20 x 3 cm; 1.25 Kilograms |