300 Series
(1.8m internal diameter):
Treatment Flow: 1.47 – 8.4 l/s
400 Series
(2.6m internal diameter):
Treatment Flow: 8.5 – 16.9 l/s
500 Series
(3.5m internal diameter):
Treatment Flow: 17 – 36.7l/s
600 Series
(4m internal diameter):
Treatment Flow: 36.8 – 48.1 l/s
New build or retrofit SuDS such as:
Designed in accordance with BS EN 13121 / ISO 976. All tank shells carry the SPEL 25 Year Warranty.
Different tank shell specifications are available dependent upon tank invert levels, ground conditions and ground water levels
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