aeration tube for fish farm

Style Diameter( mm) Inside( mm) Thickness( mm) Weight( kg) Meter/ bundle Kpa 14A 14 9 2.5 18 200meters 50 14B 14 9 2.5 17.4 200 35 14C 14 9 2. 5 16.8 200 20 1 6A 16 10 3 23 200 50 16B 16 10 3 22 200 35 16C 16 10 3 21.2 200 20 18A 18 12 3 29 200 50 18B 18 12 3 28.2 200 35 18C 18 12 3 27 200 20 22A 22 16 3 37 20 0 50 22B 22 16 3 35.6 200 35 22C 22 16 3 34 200 20 25A 25 11 7 33.9 100 50 2 5B 25 11 7 33.2 100 35 25C 25 11 7 32.5 100 20 28A 28 20 4 28 100 50 28B 28 20 4 27 100 35 28C 28 20 4 26 100 20 Outer diameter: 25mm Inner diameter: 11mm Wall thickness: 7mm Metres heavy: 325g Packing quantity: 100m Pressure requirements: 20kpa