Product Description Stenner Replacement Injection Duckbill Check Valve - 1/4" - 5 Pack Product Videos Custom Field Product Reviews Write a Review Write a Review × Stenner Stenner Replacement Injection Duckbill Check Valve - 1/4" - 5 Pack Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *