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Coupling Size (Nozzles)
1.0 inch (25mm)
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Coupling Swiveling/Rigid (Nozzles)
Rigid
1" NH SMOOTH BORE SET (25mm) 1" (25mm) smooth bore insert "Six Pack" contains 6 smooth bore inserts (18", 316", 14", 516", 38", & 716" orifice sizes) (3, 5, 6, 8, 10 & 11mm) and an NH threaded coupling with gasket. The Six Pack allows you to change smooth bore orifice sizes by simply removing and replacing a rubber gasket from a hardcoat anodized aluminum coupling. There are 6 different orifice sizes included with each order. These inserts can be easily interchanged depending on the situation. The inserts are made from a lightweight and durable black nylon. 1" NH (25mm) thread is standard.