For RV USE, a 3/8" Male to 1/2" Male Thread Adapter is required (sold separately). Contact us for accessories. Installation Precautions:Avoid over-tightening the cold and hot water hoses during installation to prevent squeezing the waterproof gasket and causing leaks. This product features a pressure-sealed design and does not require thread seal tape, as using it may lead to seal failure. Two Function Sprayer: Kitchen sink faucets setting (STREAM, SPRAY), stream for filling water, spray for rinsing, providing stable water pressure, makes cleanup easier.From now on it will create a different kitchen cleaning experience. Flexible to Operate: High arc 360 degree swivel spout for full sink access, pull down sprayer to avoid splashing. It suitable both single bowl and double bowl kitchen sink. Also single handle design make its easy control the hot&cold water and flow volume. What will you get: we have the best team online at any time, and the professional after-sales team can solve any problems about the faucet for you.