Golden Airbrush Transparent Extender 1oz SKU: $1.97 Ship Available Pickup in Store - FREE! Select Store to check availability. Quantity -+ Add to Cart Details High Flow Mediums are designed to increase transparency and film hardness of airbrush colors. It can be blended in any amount to achieve precise contr... DetailsBackDetailsHigh Flow Mediums are designed to increase transparency and film hardness of airbrush colors. It can be blended in any amount to achieve precise control of transparency. It can also be used as a top coat to finished work, leaving a tough hard film.See MoreSee Less Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review