- Filtration and environmental technology group Porvair said earnings for the year are expected to be ahead of its expectations.

Revenue growth for the year through November was 6%, with underlying growth of 11%, mostly driven by the microfiltration division, the company said.

Net cash at November 30 was was £9.7m, down from £13.6m, after capital and acquisition expenditure of around £11m.

Group order books for the start of the 2018 financial year were "healthy", it added.

Porvair also announced that it had had acquired Dutch company Rohasys for an undisclosed sum to bolster its laboratories division.

"This small acquisition brings robotic sample handling expertise to the division, which will enhance the group's growing bioscience sample preparation capabilities."

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