The svi gas savers are made with brass or s.S. Extrusion bars and equipped with special property magnets. The product improves the thermal efficiency of the gas and provides up to 25% of gas saving. Certificatation : - india’s one and only gas saver company which is certified and tested by Iso 9001 -2008 company. & “ ce “ certified product. 1.) Government laboratory national small industries corporation limited (nsic) – india 2.) Ongc approved italab pvt. Ltd. – india. 3.) Gas appliances reserch & development – taiwan.