Pump Oil Sight Glass Type B UD-1603.69 fits the following Jetters Northwest Models:
1/2" DUAL ANGLE PENETRATOR #18 NOZZLE 16-18 GPM 4000 PSI
1/2" Warthog X Rotating Multi-Purpose Nozzle
3/8" Warthog X Rotating Multi-Purpose Nozzle
1/4" BALL VALVE CARBON STEEL DRAIN INVADER BV
QUICK-FIT TAP CONNECTOR SET SCREW-ON STYLE