| Effective L/Dia (mm) | Air Flow Rate (m3/Hr) | Suitable Pipe Size | Perforated Area (m2) |
| 300 | 1.5-11 | 88.9/90 to 110/114.3mm | 0.063 |
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DN300 Disc aerator with valve
| Effective L/Dia (mm) | Air Flow Rate (m3/Hr) | Suitable Pipe Size | Perforated Area (m2) |
| 300 | 1.5-11 | 88.9/90 to 110/114.3mm | 0.063 |
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