LV technology for fine atomization and less overspray. 8.5 inch pattern. More material in pattern due to LV technology. Applicable for base coat, woodwork, and metal. Center post gravity fed spray gun The LPH300 is a compact size HVLP center post, gravity fed spray gun with full size performance. This gun offers all of the benefits of the larger 400 series models, including Iwata's patented LV technology, but with slightly smaller spray pattern of 8.5 inches. The LV technology offers fine atomization and less overspray and thus is environmentally friendly.