Adapter Outlet Electric Dryer Adapter, 30a 14-30p 4-prong to 10-30r 3-prong pigtail - 95410 - Walmart.com
AC WORKS 1.5ft NEMA 10-30P to NEMA 14-30R 30-Amp 3-wire To 4-wire Grounding Single To Single Black Basic Flexible Adapter in the Adapters & Splitters department at Lowes.com
HDX 6 ft. 30 Amp 3-Prong Dryer Power Cord HD#627-833 - The Home Depot
PRO-DYNAMIC 3 Wire Universal Electric Dryer Power Cord 3 Prong 30 Amp 6' Ft. 84691225706 | eBay