The result of precision engineering and extensive field testing by contractors around the world, the K-Rain 78006NSI Pro-S Sprays 6" No Side Inlet with Male Riser and Flush Cap is designed to provide long life and outstanding performance. These sprays are distinguished by robust construction, rugged body and cap, co-molded seal and heavy-duty retraction spring. Built with the contractor in mind. The co-molded wiper seal ensures proper operation time after time with minimal flow by. Compatible with all standard female-thread nozzles.