Old Style Dryer 10-30P 3-Pin Male 220/250V Plug To New Style Dryer 14-30R 220/250V 4-Prong Female Receptacle Socket Outlet Adapter, Electrical Power Connector Cord Convert NEMA UL-FX1107-D - Amazon.com
WELLUCK 1.5 FT 4 Prong to 3 Prong Dryer Adapter, 30 Amp Dryer Outlet Plug Power
Journeyman-Pro Dryer Adapter Cord 3 to 4 Prong Plug | NEMA 10-30P Male to 14-30R Female | 30A, 250V, 1.5FT, Old Style Wall Outlet (3 Prong Male to 4 Prong Female w/Ground) - Walmart.com
Dryer Outlet Adapter, Dryer Plug Cord Nema 14-30P Male to 10-30R Female, 3 Prong to 4 Prong Dryer Plug Converter - Newegg.com