Amazon.com: Leviton 071-00278-000 4 Wire 30 Amp 250 Volt Flush Mount Dryer Receptacle : Tools & Home Improvement
AC WORKS 1ft NEMA 14-30P to NEMA 6-20R 20-Amp 4-wire To 3-wire Grounding Single To Single Orange Basic Flexible Adapter in the Adapters & Splitters department at Lowes.com
3-Prong Dryer Plug to NEMA 6-15/20 250-Volt Outlet with 20A Breaker – AC Connectors
Legrand® Pass & Seymour® 30-Amp 125/250-Volt 3-Wire Black Standard Flush Dryer Outlet at Menards®
Amazon.com: Cable Matters 4 Prong Dryer Cord 10 ft (30 AMP Appliance Power Cord with Dryer Plug, Dryer Power Cord) - 10 Feet (NEMA 14-30P to 4-Wire) : Appliances
parkworld 1 ft. 10/3 3-Wire Dryer 30 Amp 125/250-Volt 4-Prong NEMA 14-30P Plug to 30 Amp 3-Prong L5-30R Receptacle Adapter Cord 61230 - The Home Depot
AC WORKS® 1.5FT 14-30P 30A 4-Prong Dryer Plug to 30A RV Adapter – AC Connectors