I would wait and see how the hose is in the trailer. When we bought our first RV (a used pop-up) the owners tossed in all kinds of accessories that saved us a few $$. Congrats on the new to you RV!
Henk the German Shepherd & Family
2006 Toyota Sequoia
2015 Jayco Jay Flight 23MB Elite
Previous RV's, 1988 33-foot Class A and 1994 Flagstaff Pop-Up