Pump Seal Kit 4.2 GPM 3700 PSI (Bruiser 4.2) UD-28 fits the following Jetters Northwest models:
1/8" Drophead Nozzle w/Knuckle Leader, Stainless Steel
3/16" Bronze-Flex Mini/Trap Hose
The Reaper Rotating Jetting Nozzle 3/8"
3/8" WT Warthog Nozzle
3/16" Stainless Steel Ultra-Flex Mini/Trap Hose