The result of precision engineering and extensive field testing by contractors around the world, the Pro-S™ is designed to provide long life and outstanding performance. Learn about the robust construction, rugged body and cap, co-molded seal, and heavy-duty retraction spring. Pro-S™ Sprays come in pressure regulation of PSI 30 or 40. https://www.krain.com/pro-s-2-3-4-6-a...