Click to expand Tap to zoom FORTIFLEX CALF FEEDER ONE CHECK VALVE WITH COLLAR by TackN'Bark Save Liquid error (product-badge line 32): Computation results in '-Infinity'% $5.95 SKU C719048 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart (CV-2) One per package. For use on Item #C719039 Calf Feeder (sold separately).