Harder & Steenbeck 218623 Bottle Adapter 30 ml Harder & Steenbeck from $17.38 $21.72 Qty. Add to Cart SKU: HS218623 This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Metal construction. Fits 30 ml bottles. For Evolusion X and Infinity X CR Airbrushes. Tweet