View Larger Image PORTAFUSE Cuts Cord Kerotest invents, patents and introduces PORTAFUSE, the FIRST cordless, battery-powered electrofusion control box for the natural gas industry. KerOTest34562019-01-04T15:30:07+00:00November 19th, 2018| Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail About the Author: KerOTest3456