Two opposing side eyes reduce potential for catheter occlusion and enhance suctioning efficiency. Made of firm but flexible PVC with contoured whistle tip and opposed eyes. Forward placement of Contro-Vac valve minimizes potential fingertip contamination. Available in 14 Fr, Red Valve, Straight, 100/Cs12 Fr, Red Valve, Straight, 100/Cs10 Fr, White Valve, Straight, 100/Cs