Nothing makes us prouder than when we hear from happy SmartPlug users! Check out our latest review from RV enthusiast, John: “You guys are amazing. I received a 50 cord seal kit some time ago and installed the proper size cord seal today. You even included a new gasket with the kit, THANK YOU! Your customer service (which is of utmost importance to me) is World Class too.I read the article about SmartPlug in Trailer…