Dual drain system to simplify grey and black tank connections, one setup to empty your tanks. Features: 18 mil vinyl - UV protected, puncture resistant, easy to handle, Compact & flexible - made to last, Connect two hoses for a 20' extension, Use a single hose for dump station convenience. Kit includes: (2) 10' hoses and (1) 5' hose with rotating fittings, (1) clear 90°universal sewer adapter, and (1) wye adapter with rotating fittings.