Iwata Airbrush Replacement Part I-545-4 Main Lever Iwata from $27.83 $39.75 Qty. Add to Cart SKU: I-545-4 This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. This is the new style replacement I-545-1 Main Lever for the Iwata Custom Micron B, SB, C and C Plus Tweet