ParkPower RV Generator Adapter, Male 4-Prong | Camping World
Amazon.com: RVGUARD Generator Adapter Plug 3 Prong to 4 Prong, NEMA L5-30R to NEMA L14-30R Locking Adapter. : Patio, Lawn & Garden
parkworld Generator 30 Amp to RV 50 Amp Power Adapter NEMA L14-30P to 14-50R 4-Prong Locking Plug to Camper 4-Prong Outlet Yellow 691944Y - The Home Depot
Leisure Cords RV Generator Adapter with 30 Amp 4 Prong Locking Male Plug to RV 50 Amp Female Standard Connector (4-Prong) - Walmart.com
Amazon.com: Camco Power Grip Camper/RV Generator Adapter | Features a Heavy-Duty 30 Amp Locking Male and Female Connection | Rated for 125 Volts / 3750 Watts (55333) : Automotive
Camco PowerGrip Generator Adapter, 30A | Camping World