Iwata Airbrush Replacement Part I-718-4 Lid for HP-M2 Airbrush Iwata from $11.25 $15.00 Qty. Add to Cart SKU: I-718-4 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 Iwata I-718-4 Replacement Lid for HP-M2 Airbrush. Tweet