I HIGHLY recommend going to "rvwaterfilter.com" and buy their white hose in what ever length or lengths you like in either solid brass or stainless fittings. Yes they are 1/2" ID but that really is NOT an issue with a RV. I have 5, 10 and 15' hoses. They are still flexible in COLD weather!
I also recommend buying what ever length of 50A "SO" cable and the Camco yellow ends. Flexible in COLD weather also. Always easy to coil up.
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