Whaleflo pressure water pump factory with around 20 years history.but Whaleflo RV pump component list is pretty short.the pump itself,and then the fittings,it’s gonna require to hook up to your RV’s water system,and the wires to hook it up to the electrical part of your RV system,12Volt.The fittings can come either as a threaded type unit,and can be a barb,either straight or an elbow,some uses a fitting called a quad port,by having a couple of O-rings on the bottom of this fitting,and they literally plug into the pump,and then it locks in place.And the quad ports are also available in a variety of threading types or even barbs,elbows or straights.