Carefusion Trach Pediatric Mask with 6" Flex Tube has a wide selection of both standard and Dual Dial Venturi-style masks that feature either six diluter jets or two oxygenconcentration dials. All masks are under-the-chin style and supplied with a six-inch flex tube, humidification hood and seven-foot crush resistant tubing. It also offer a Venturi-style with a tracheostomy mask for use with a 50 psi oxygen source and flow meter.