1/2" NPT Versa Sewer Jetter Nozzle Cleans 4" - 12" Lines with 13 Total Inserts 12 Rear Jets 1 Forward Penetrating Jet 14 GPM @ 4000 PSI, 12 GPM @ 3000 PSI, 11.5 GPM @ 2700 PSI, 11 GPM @ 2500 PSI Fits Spartan 738 Sewer Jetter pt# 73800000 758 Sewer Jetter Skid Mount pt# 7580035 Soldier Sewer Jet Size: 1/2" NPT Port Cleans: 4" - 12" Lines Orifice Size: 14.0 Maximun PSI: 10000 Features 13 Total Removable Inserts (6) Rear 15 Degrees High Thrusting Force Jets (6) Rear 30 Degrees Flushing Act Flushing action for longer runs with forward penetration jet