TRANSPARENT FACE MASKS - NON LATEX VERSION - SILICONE - BLUE - Reusable Description The Ambu Silicone Face Mask is designed for use with manual resuscitation, automatic resuscitators, ventilators and anesthesia machines. Features Ambu Silicone Face Masks are self-inflating for an easy and tight seal. The cuff pressure may be regulated. The mask size 0 with boring impedes ventilation pressures higher than approx. 40 cm H2O, enabling ventilation with an Ambu Mark lll Resuscitator on small children with a body weight down to approx. 33 lbs (approx. 3 years).