FIRST DEFENSE 50 Amp Hardwired 50 kA RV Surge Protector RV-111 - The Home Depot
Amazon.com: 50amp Surge Protector for rv Accessories - POWSAF RV Voltage Protector/Monitor with Surge Protection(4100 Joules), Designed with Easy to Use Handles, ETL Listed, Black : Automotive
50 Amp RV Surge Protector Circuit Analyzer - RV Power Defender Voltage
Why an RV Surge Protector is Needed for Motorhomes and Campers