... lumen tube / double lumen tube 1.Material: 100% silicone 2.any color and size 3.Certificates:LFGB,FDA,CE Dual lumen tube / double ... lumen silicone tube Material100% Silicone Raw MaterialColorSemi-transparent or customizedShore ... . Fuzhushan industrial park, Liaobu, Dongguan,China,523425 double lumen tube, double silicone tube, silicone lumen ...