Iwata NEO Airbrush Replacement Part N-135-3 Head Base for N 5500 TRN1 Iwata from $5.44 $7.25 Qty. Add to Cart SKU: N-135-3 This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. N-135-3 Head Base for N 5500 TRN1 (Optional for TRN2) Tweet