All kinds on Amazon but you can buy at an rv place. These do not have the tank gauge since it looks like your gauges are separate from the hoses. Don’t forget the tape on threads.. you can buy all that plumbing for the tanks on Amazon . https://www.amazon.com/dp/B07F2D2XQH/ref=cm_sw_em_r_mt_dp_EZMZHKKYW55PTSZXFPQM