Chevron down icon Chevron down icon Zoom icon Click to expand Tap to zoom FireBoard Drive Ball Valve Adapter Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $30.00 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available A ball valve fitting to attach the FireBoard Drive Blower to your cooker.