Gen RV 18" 30 AMP Locking 3 Or 4 Prong Plug To Standard RV TT-30R Receptacle Generator Adapter with Grip - Leisure RV Parts
Firman Power Adapter TT-30P to L5-30R - DS-1610
Leisure Cords RV Generator Adapter with 30 Amp 4 Prong Locking Male Plug to RV 50 Amp Female Standard Connector (4-Prong) - Walmart.com
Camco PowerGrip 30 Amp 4-Prong Generator Adapter – Woodland Airstream Parts and RV Accessories Store
WEN Twistlock Adapter in the Generator Accessories department at Lowes.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
Amazon.com: RVGUARD Generator Adapter Plug 3 Prong to 4 Prong, NEMA L5-30R to NEMA L14-30R Locking Adapter. : Patio, Lawn & Garden