Brass Plug in Immersion Heater Brass CW 617N, CW602N, CW614N Sizes: 1/4", 1", 1-1/4", 1-1/2", 3", 4" Brass Plug in Immersion HeaterBrass Flange for Heating ElementsBrass CW 617N, CW602N, CW614NSizes: 1/4", 1", 1-1/4", 1-1/2", 3", 4Workmanship: Hot & Cold Forging, Sandblasting and Precise CNC MachiningCould be made to customers' specification. Brass Plug in Immersion Heater