Fildena 100 boosts the cGMP enzyme manufacturing via way of method of being a PDE5 inhibitor and preventing its breakdown. This permits in regulating blood go along with the drift toward the penis. Therefore, the penis gets non-forestall blood go together with the flow due to the fact the veins wearing blood therein are also unclogged. In the end, preferred stiffness is attained and sustained for a most length of 5 hours.