Check the listing for details. GA02 Cascade 393703 for GEMA Electrostatic OPTI Powder Coating Gun Replacement. Condition: New. Listed at 388.00 USD. Products Description 393703 Cascade, GA02 Automatic Powder Coating Gun Cascade 1) Negative cascade 2) 100% interchangeable with original 3) Warranty: 1 year 4) Factory direct sale,Wholesale price for customers. 4) Order on Alibaba trade assurance,protect customers' right Gema opti 2A Gun 1 Threaded sleeve 379166 2 Cascade – complete, negative polarity 393 703 4 Shaft (without cascade) 393681 5 Gasket 382 698 6 Adaptor piece – complete, 385 069 7 Adaptor – complete, 385 158 8 Powder tube – complete 385 182# 9 Hose connection – complete 362 670# 10Hollow screw382680 13 Nozzle set – flat jet, NF08, 1000 047# 14 Nozzle set – round jet 382 922 15 Deflector plate – Ø 16 mm (0.63 in) 331 341# 16 Deflector plate – Ø 20 mm 17 Deflector plate – Ø 24 mm (0.94 in) 331 333# 18 Deflector plate – Ø 32 mm (1.26 in) 331325