- Porvair, the specialist filtration and environmental technologies group, has had a strong start to 2014 and expects to report interim profits well ahead of 2013.

The Group expects to report revenues around 33% ahead of the first six months of 2013. It said 25% is attributed to specific, previously identified large contracts.

Underlying revenues are expected to be 8% ahead, 11% at constant currencies. Order books for the second half are healthy.

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