Spare parts compatible with previous AZ3 THE. Fine finish polished body Smooth polished surface makes it easier to clean Ergonomic gun design New trigger and ergonomic grip shape to relieve stress on painting Lightweight & well-balanced body Gun head 20-50 g lighter than the previous model Improved AKULON cup Improved paint cup with multi-thread construction Pressure assisted cup (new product) AirGunsa have added a pressure-assisted paint cup system to the high viscosity paint application range Spare parts compatible with previous AZ3 HTE.