Description
Aluminum 2 1 2" Swivel Female NH to 4" Male NH Inlet Threads_NPSH Polyamide flow control ring with GB10F10FN Threads_NPSH x NPSH Model:3133 (6.0 TPI x 3.290 OD) This nozzle has spinning Polyamide flow control ring with raised lugs for easy flow control adjustment under pressure Constructed with firefighters in mind