Chosen for its reliability, heavy-duty materials and versatility, the 1800 Series has top-rated quality built in for reliable operation and long life. Their great components and features make them the spray heads of choice for a wide variety of applications. Strong stainless steel spring provides reliable stem retraction. Strong stainless steel spring provides reliable stem retraction. Constructed of time-proven UV-resistant plastic and corrosion-resistant stainless steel parts, assuring long product life.