The Graft TIV is the result of the union exclusive conduit polyester with very low porosity and a bovine biological valve attached. The valve assembly is made in a manner that allows a total opening of the leaflets resulting in significant reduction in the gradient particularly in the smaller diameters. The position of the suture ring implant allows both annular and supra-annular. The biological option for Bentall procedure. Unique pericardial aortic valved conduit; Ultra low pososity woven polyester; Excellent hemostasis; Excellent anastomosis results; Does not need pre-coagulation.