Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Spare Vane for WindTrak™ 10 by Davis Instruments Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $24.99 | / SKU 3101 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Get help buying. Call (800) 678-3669 (USA and Canada). Customers in the USA and Canada only. International - Find a reseller Support documents