Heavy-duty contractor grade AAA™ triplex pumps make your machine more efficient, getting the job done faster. The pumps also provide consistent water pressure, with no surge or pressure losses. That keeps you going as strong as long as you need to. tough and durable three-layer 25’-50’ hoses are made up of an inner layer of polyester, strengthened by a brass-coated steel braid, and a clear outer jacket. 5 stainless steel nozzles