Airway Guedel a. Made of semi-rigid non-toxic polyethylene. b. All sizes. c. With CE mark Airway Guedel a. Made of semi-rigid non-toxic polyethylene.b. Color-coded for size identification.c. Size: 000 40), 00(50), 0(60),1(70), 2(80), 3(90), 4(100), 5(110), 6(120)d. CE and ISO certificatedBerman types also available Sizes: 40mm,50mm, 60mm, 70mm,80mm, 90mm,100mm, 110mm Airway Guedel