Comparison : Item # HE 1AL, 3/4 Inch (in) Hose Size Aluminum NPSH Threaded Hose End Nozzle Holder
Item # HE 2AL, 1 Inch (in) Hose Size Aluminum NPSH Threaded Hose End Nozzle Holder
Item # HE 3AL, 1 1/4 Inch (in) Hose Size Aluminum NPSH Threaded Hose End Nozzle Holder
Item # HE 4AL, 1 1/2 Inch (in) Hose Size Aluminum NPSH Threaded Hose End Nozzle Holder