Iwata Iwata Digital HVLP WS400 Series S2 Base, 1.3 ET Spray Gun. Digital HVLP Base Coat Gun. The ANEST IWATA LS-400 Series 2 Base is a premium HVLP spray gun featuring optimized, uniform coarse atomization - perfect for solvent or waterborne base coat applications with a variety of nozzles, giving it the ability to perform in all climates and conditions.