We are also the service provider for Fume Extractor Maintenance, Installation and Testing Work. Neos Air Filtration Private Limited part of the US$ 20 Million Geco and Gomadhi Group of companies is committed to providing world class solutions in the field of dust and fume extraction technology in India. NAF’s technical collaboration with specialists in extraction technology – Neos Air Filtration Private Limited– helps to give a leading edge by providing the right solution for nearly every industrial application.