A marine equipment company has applied to build four industrial and warehouse units at a site in Port Glasgow.Aquafax have lodged a planning application with Inverclyde Council for land at Kelburn Industrial Estate.The units would all be contained within one building, with a total floorspace of 830 square metres. There would be 32 parking spaces.The application is pending consideration by council officials.Aquafax, based in Luton, are described as a leading distributor of marine and industrial equipment.There was no one available at their head office today to comment on the development.